add G_STMT macros

Original commit message from CVS:
add G_STMT macros

ChangeLog

+2004-01-19  Thomas Vander Stichele  <thomas at apestaart dot org>
+
+	* gst/gstelement.h:
+          add G_STMT macros to gst_element_error, which isn't strictly
+          necessary but people tell me to anyway.
+
 2004-01-18  Thomas Vander Stichele  <thomas at apestaart dot org>
 
 	* gst/Makefile.am:

gst/gstelement.h

@@ -139,12 +139,12 @@ typedef enum {
 #define GST_ELEMENT_CLOCK(obj)			(((GstElement*)(obj))->clock)
 #define GST_ELEMENT_PADS(obj)			((obj)->pads)
 
-#define gst_element_error(el, domain, code, message, debug) \
+#define gst_element_error(el, domain, code, message, debug) G_STMT_START { \
   gst_element_error_extended (GST_ELEMENT(el), \
   GST_ ## domain ## _ERROR, GST_ ## domain ## _ERROR_ ## code, \
   g_strdup_printf message, \
   g_strdup_printf debug, \
-  __FILE__, GST_FUNCTION, __LINE__)
+  __FILE__, GST_FUNCTION, __LINE__); } G_STMT_END
 
 typedef struct _GstElementFactory GstElementFactory;
 typedef struct _GstElementFactoryClass GstElementFactoryClass;