patch 7.4.826
Problem:    Compiler warnings and errors.
Solution:   Make it build properly without the multi-byte feature.
diff --git a/src/eval.c b/src/eval.c
index 8250e84..fe0a66a 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -17056,8 +17056,8 @@
 	    }
 	    else
 #endif
-		set_last_csearch(mb_ptr2char(csearch),
-						csearch, mb_ptr2len(csearch));
+		set_last_csearch(PTR2CHAR(csearch),
+						csearch, MB_PTR2LEN(csearch));
 	}
 
 	di = dict_find(d, (char_u *)"forward", -1);