Remove splint hints to silence warnings from ICC and MSVC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81108 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/regcomp.c b/lib/Support/regcomp.c
index 2755fd8..9ae66f3 100644
--- a/lib/Support/regcomp.c
+++ b/lib/Support/regcomp.c
@@ -256,8 +256,8 @@
 p_ere(struct parse *p, int stop)	/* character this ERE should end at */
 {
 	char c;
-	sopno prevback = prevback;
-	sopno prevfwd = prevfwd;
+	sopno prevback;
+	sopno prevfwd;
 	sopno conc;
 	int first = 1;		/* is this the first alternative? */