patch 7.4.1760

Problem:    Compiler warning for unused variable.
Solution:   Add #ifdef. (John Marriott)

src/os_win32.c

@@ -1446,7 +1446,9 @@ WaitForChar(long msec)
     INPUT_RECORD    ir;
     DWORD	    cRecords;
     WCHAR	    ch, ch2;
+#ifdef FEAT_TIMERS
     int		    tb_change_cnt = typebuf.tb_change_cnt;
+#endif
 
     if (msec > 0)
 	/* Wait until the specified time has elapsed. */

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1760,
 /**/
     1759,
 /**/