i3 - improved tiling WM

remove unnecessary forward declaration of set_statusline_error

Patch status: merged

Patch by Alexander Kedrik

Long description:

Attributes can be added to function definitions.
Tested with gcc 4.8.2 and clang 3.3

To apply this patch, use:
curl http://cr.i3wm.org/patch/357/raw.patch | git am

b/i3bar/src/child.c

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@@ -81,12 +81,7 @@ static void clear_status_blocks() {
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  * `draw_bars' is called, the error message text will be drawn on the bar in
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  * the space allocated for the statusline.
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  */
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-
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-/* forward function declaration is needed to add __attribute__ mechanism which
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- * helps the compiler understand we are defining a printf wrapper */
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-static void set_statusline_error(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
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-
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-static void set_statusline_error(const char *format, ...) {
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+__attribute__ ((format (printf, 1, 2))) static void set_statusline_error(const char *format, ...) {
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     clear_status_blocks();
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     char *message;