patch 7.4.956

Problem:    A few more file name extensions not recognized.
Solution:   Add .asciidoc, .bzl, .gradle, etc.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    956,
 /**/
     955,
 /**/