[gimp] CID: 228176 Fix a Resource leak

[Jehan <jehanp src gnome org>]

commit 0b81e4d056767500bad1070eb62f96d25e7d483a
Author: Sabri Ünal <libreajans gmail com>
Date:   Wed Oct 23 12:32:11 2019 +0000

    CID: 228176 Fix a Resource leak
    
    This patch fixes a resource leak which was discovered by Coverity Scan.
    
    (cherry picked from commit 3d7d46ea97c8c1614b689858d6e5540b529fa53d)

 plug-ins/file-sgi/sgi.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/plug-ins/file-sgi/sgi.c b/plug-ins/file-sgi/sgi.c
index e9bbe362c8..335612d1e2 100644
--- a/plug-ins/file-sgi/sgi.c
+++ b/plug-ins/file-sgi/sgi.c
@@ -324,6 +324,7 @@ load_image (GFile   *file,
       g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
                    _("Could not open '%s' for reading."),
                    gimp_file_get_utf8_name (file));
+      free (sgip);
       return NULL;
     };
 
@@ -338,6 +339,7 @@ load_image (GFile   *file,
     {
       g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
               _("Invalid width: %hu"), sgip->xsize);
+      free (sgip);
       return NULL;
     }
 
@@ -345,6 +347,7 @@ load_image (GFile   *file,
     {
       g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
               _("Invalid height: %hu"), sgip->ysize);
+      free (sgip);
       return NULL;
     }
 
@@ -352,6 +355,7 @@ load_image (GFile   *file,
     {
       g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
               _("Invalid number of channels: %hu"), sgip->zsize);
+      free (sgip);
       return NULL;
     }
 
@@ -392,6 +396,7 @@ load_image (GFile   *file,
       g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
                    "Could not allocate new image: %s",
                    gimp_pdb_get_last_error (gimp_get_pdb ()));
+      free (sgip);
       return NULL;
     }