Eliminate compiler warning (only seen in DEBUG)

Author: jan.nijtmans

generic/regc_nfa.c

@@ -928,11 +928,11 @@ mergeins(
     struct nfa * nfa,
     struct state * s,
     struct arc ** arcarray,
-    int arccount)
+    size_t arccount)
 {
     struct arc *na;
-    int	i;
-    int	j;
+    size_t i;
+    size_t j;
 
     if (arccount <= 0) {
 	return;
@@ -1875,7 +1875,7 @@ fixempties(
     size_t totalinarcs;
     struct arc **inarcsorig;
     struct arc **arcarray;
-    int arccount;
+    size_t arccount;
     size_t prevnins;
     size_t nskip;
 

generic/regcomp.c

@@ -128,7 +128,7 @@ static void sortouts(struct nfa *, struct state *);
 static int sortouts_cmp(const void *, const void *);
 static void moveins(struct nfa *, struct state *, struct state *);
 static void copyins(struct nfa *, struct state *, struct state *);
-static void mergeins(struct nfa *, struct state *, struct arc **, int);
+static void mergeins(struct nfa *, struct state *, struct arc **, size_t);
 static void moveouts(struct nfa *, struct state *, struct state *);
 static void copyouts(struct nfa *, struct state *, struct state *);
 static void cloneouts(struct nfa *, struct state *, struct state *, struct state *, int);