dfa.c fix for when not using MBS

[Aharon Robbins]

Hi. The following patch is needed if compiling without MBS support.

Thanks,

Arnold


--- /usr/local/src/Gnu/grep/src/dfa.c   2010-09-15 08:25:31.000000000 +0200
+++ dfa.c       2010-09-15 08:26:49.000000000 +0200
@@ -3122,8 +3150,6 @@
   return s1;
 }
 
-#endif /* MBS_SUPPORT */
-
 /* Initialize mblen_buf and inputwcs with data from the next line.  */
 
 static void
@@ -3171,6 +3197,8 @@
   inputwcs[i] = 0; /* sentinel */
 }
 
+#endif /* MBS_SUPPORT */
+
 /* Search through a buffer looking for a match to the given struct dfa.
    Find the first occurrence of a string matching the regexp in the
    buffer, and the shortest possible version thereof.  Return a pointer to