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Submitted by Raphael Isemann

Link to original bug (#734516)

Description

GLib.File.load_contents produces a warning[1] on gcc with the current vapi in valac 0.24.

The warning appears for example in the test-program here: http://valadoc.org/#!api=gio-2.0/GLib.File.load_contents

I attached a patch that fixes the warning but breaks backward-compatibility with existing code.

[1] the warning

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teemperor@teemperor-desktop:~/workspace/test$ valac test.vala --pkg gio-2.0
/home/teemperor/workspace/test/test.vala.c: In function ‘_vala_main’:
/home/teemperor/workspace/test/test.vala.c:64:3: warning: passing argument 3 of ‘g_file_load_contents’ from incompatible pointer type [enabled by default]
   g_file_load_contents (_tmp7_, NULL, &_tmp8_, &_tmp9_, &_tmp10_, &_inner_error_);
   ^
In file included from /usr/include/glib-2.0/gio/gio.h:65:0,
                 from /home/teemperor/workspace/test/test.vala.c:10:
/usr/include/glib-2.0/gio/gfile.h:1179:10: note: expected ‘char **’ but argument is of type ‘guint8 **’
 gboolean g_file_load_contents                (GFile                  *file,
          ^
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