updated for version 7.3.138

Problem:    ":com" changes the multi-byte text of :echo. (Dimitar Dimitrov)
Solution:   Search for K_SPECIAL as a byte, not a character. (Ben Schmidt)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    138,
 /**/
     137,
 /**/