[483/906] glelements: do not leak parent when using gst_pad_get_parent

gst-libs/gst/gl/gstglfilter.c

@@ -202,6 +202,8 @@ gst_gl_filter_src_query (GstPad * pad, GstQuery * query)
       break;
   }
 
+  gst_object_unref (parent);
+
   return res;
 }
 

gst/gl/gstgldownload.c

@@ -236,6 +236,8 @@ gst_gl_download_src_query (GstPad * pad, GstQuery * query)
       break;
   }
 
+  gst_object_unref (download);
+
   return res;
 }
 

gst/gl/gstgltestsrc.c

@@ -323,6 +323,8 @@ gst_gl_test_src_src_query (GstPad * pad, GstQuery * query)
       break;
   }
 
+  gst_object_unref (parent);
+
   return res;
 }
 

gst/gl/gstglupload.c

@@ -255,6 +255,8 @@ gst_gl_upload_src_query (GstPad * pad, GstQuery * query)
       break;
   }
 
+  gst_object_unref (parent);
+
   return res;
 }