[gimp] app: fix a bunch of valgrind-found leaks

[Michael Natterer <mitch src gnome org>]

commit 93c19c20d44fae0f5f4443a77ff4979e0fb1bab3
Author: Michael Natterer <mitch gimp org>
Date:   Sun Jul 20 21:40:57 2014 +0200

    app: fix a bunch of valgrind-found leaks

 app/core/gimpdata.c                     |   28 ++++++++++++++++++----------
 app/core/gimpgradient-load.c            |    4 ++++
 app/core/gimppalette-load.c             |    2 ++
 app/core/gimpviewable.c                 |    2 ++
 app/plug-in/gimppluginmanager-restore.c |    1 +
 5 files changed, 27 insertions(+), 10 deletions(-)
---
diff --git a/app/core/gimpdata.c b/app/core/gimpdata.c
index 1165731..66b6f6f 100644
--- a/app/core/gimpdata.c
+++ b/app/core/gimpdata.c
@@ -788,12 +788,16 @@ gimp_data_set_file (GimpData *data,
                                     NULL, NULL);
 
           /* and we can write it */
-          if (info &&
-              g_file_info_get_attribute_boolean (info,
-                                                 G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
+          if (info)
             {
-              private->writable  = writable  ? TRUE : FALSE;
-              private->deletable = deletable ? TRUE : FALSE;
+              if (g_file_info_get_attribute_boolean (info,
+                                                     G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
+                {
+                  private->writable  = writable  ? TRUE : FALSE;
+                  private->deletable = deletable ? TRUE : FALSE;
+                }
+
+              g_object_unref (info);
             }
         }
       else /* OR it doesn't exist */
@@ -806,12 +810,16 @@ gimp_data_set_file (GimpData *data,
                                     NULL, NULL);
 
           /* and we can write to its parent directory */
-          if (info &&
-              g_file_info_get_attribute_boolean (info,
-                                                 G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
+          if (info)
             {
-              private->writable  = writable  ? TRUE : FALSE;
-              private->deletable = deletable ? TRUE : FALSE;
+              if (g_file_info_get_attribute_boolean (info,
+                                                     G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
+                {
+                  private->writable  = writable  ? TRUE : FALSE;
+                  private->deletable = deletable ? TRUE : FALSE;
+                }
+
+              g_object_unref (file);
             }
 
           g_object_unref (parent);
diff --git a/app/core/gimpgradient-load.c b/app/core/gimpgradient-load.c
index 254c964..8aead74 100644
--- a/app/core/gimpgradient-load.c
+++ b/app/core/gimpgradient-load.c
@@ -193,6 +193,7 @@ gimp_gradient_load (GimpContext   *context,
             default:
               g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
                            _("Corrupt segment %d."), i);
+              g_free (line);
               goto failed;
             }
         }
@@ -200,9 +201,12 @@ gimp_gradient_load (GimpContext   *context,
         {
           g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
                        _("Corrupt segment %d."), i);
+          g_free (line);
           goto failed;
         }
 
+      g_free (line);
+
       if ((  prev && (prev->right < seg->left)) ||
           (! prev && (0.0         < seg->left)))
         {
diff --git a/app/core/gimppalette-load.c b/app/core/gimppalette-load.c
index 7b5b80e..6a61c9a 100644
--- a/app/core/gimppalette-load.c
+++ b/app/core/gimppalette-load.c
@@ -72,6 +72,8 @@ gimp_palette_load (GimpContext   *context,
       goto failed;
     }
 
+  g_free (str);
+
   palette = g_object_new (GIMP_TYPE_PALETTE,
                           "mime-type", "application/x-gimp-palette",
                           NULL);
diff --git a/app/core/gimpviewable.c b/app/core/gimpviewable.c
index 1e76261..3c6d71c 100644
--- a/app/core/gimpviewable.c
+++ b/app/core/gimpviewable.c
@@ -531,6 +531,8 @@ gimp_viewable_deserialize_property (GimpConfig *config,
               }
           }
 
+        g_free (encoded_image);
+
         g_value_take_object (value, icon_pixbuf);
       }
       break;
diff --git a/app/plug-in/gimppluginmanager-restore.c b/app/plug-in/gimppluginmanager-restore.c
index 55837ef..ee0d68b 100644
--- a/app/plug-in/gimppluginmanager-restore.c
+++ b/app/plug-in/gimppluginmanager-restore.c
@@ -675,6 +675,7 @@ gimp_plug_in_manager_add_from_rc (GimpPlugInManager *manager,
 
           g_free (basename2);
           g_free (basename1);
+          g_free (path1);
 
           return;
         }