Merged revisions 239920 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r239920 | tilghman | 2010-01-13 14:38:42 -0600 (Wed, 13 Jan 2010) | 2 lines
  
  Flex uses fwrite incorrectly, which breaks the build.  Providing a workaround.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@243061 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/ast_expr2.fl

@@ -65,6 +65,11 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/channel.h"
 #endif
 
+/*!\note The latest Flex uses fwrite without checking its return value, which
+ * is a warning on some compilers.  Therefore, we use this workaround, to trick
+ * the compiler into suppressing this warning. */
+#define fwrite(a,b,c,d)	do { int __res = fwrite(a,b,c,d); (__res); } while (0)
+
 enum valtype {
 	AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
 } ;