patch 7.4.893

Problem:    C indenting is wrong below a "case (foo):" because it is
            recognized as a C++ base class construct.  Issue #38.
Solution:   Check for the case keyword.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    893,
 /**/
     892,
 /**/