patch 7.4.1661

Problem:    No test for special characters in channel eval command.
Solution:   Testing sending and receiving text with special characters.

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1661,
 /**/
     1660,
 /**/