[gobject-introspection] girepository: Fix some memory leaks in gdump.c

[Philip Withnall <pwithnall src gnome org>]

commit 1746e1dc4604e3498c4b9f45dfa5c85f0fa2440d
Author: Philip Withnall <philip tecnocode co uk>
Date:   Wed Feb 24 23:53:08 2016 +0000

    girepository: Fix some memory leaks in gdump.c
    
    These were leaking memory when dumping introspection data from projects
    for building their GIR files. That’s generally not a problem, unless
    you’re trying to build the project with -fsanitize=address, which causes
    the GIR build phase to error out due to leaking memory.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762653

 girepository/gdump.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/girepository/gdump.c b/girepository/gdump.c
index a72841f..b60a5dc 100644
--- a/girepository/gdump.c
+++ b/girepository/gdump.c
@@ -204,6 +204,7 @@ dump_signals (GType type, GOutputStream *out)
        }
       goutput_write (out, "    </signal>\n");
     }
+  g_free (sig_ids);
 }
 
 static void
@@ -249,6 +250,8 @@ dump_object_type (GType type, const char *symbol, GOutputStream *out)
       escaped_printf (out, "    <implements name=\"%s\"/>\n",
                      g_type_name (itype));
     }
+  g_free (interfaces);
+
   dump_properties (type, out);
   dump_signals (type, out);
   goutput_write (out, "  </class>\n");
@@ -280,6 +283,8 @@ dump_interface_type (GType type, const char *symbol, GOutputStream *out)
       escaped_printf (out, "    <prerequisite name=\"%s\"/>\n",
                      g_type_name (itype));
     }
+  g_free (interfaces);
+
   dump_properties (type, out);
   dump_signals (type, out);
   goutput_write (out, "  </interface>\n");
@@ -379,6 +384,7 @@ dump_fundamental_type (GType type, const char *symbol, GOutputStream *out)
       escaped_printf (out, "    <implements name=\"%s\"/>\n",
                      g_type_name (itype));
     }
+  g_free (interfaces);
   goutput_write (out, "  </fundamental>\n");
 }
 
@@ -471,6 +477,8 @@ g_irepository_dump (const char *arg, GError **error)
   input_file = g_file_new_for_path (args[0]);
   output_file = g_file_new_for_path (args[1]);
 
+  g_strfreev (args);
+
   input = g_file_read (input_file, NULL, error);
   if (input == NULL)
     return FALSE;