unbreak the macro used for incrementing the frame counters.

I don't know when the bug was introduced, but with the typical usage

	c->fin = FRAMECOUNT_INC(c->fin)

the frame counters stay to 0.

affects trunk as well (fix coming).



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@48566 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/channel.h

@@ -270,7 +270,7 @@ struct ast_channel_spy_list;
 struct ast_channel_whisper_buffer;
 
 #define	DEBUGCHAN_FLAG  0x80000000
-#define	FRAMECOUNT_INC(x)	( ((x) & DEBUGCHAN_FLAG) | ((x++) & ~DEBUGCHAN_FLAG) )
+#define	FRAMECOUNT_INC(x)	( ((x) & DEBUGCHAN_FLAG) | (((x)+1) & ~DEBUGCHAN_FLAG) )
 
 enum ast_channel_adsicpe {
 	AST_ADSI_UNKNOWN,