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[cc1] Fix limits checking in functions declaration

--- a/cc1/decl.c

+++ b/cc1/decl.c

@@ -351,7 +351,7 @@

                      Type *type);

 static int

-krargs(Symbol *pars[], unsigned *nparsp)

+krpars(Symbol *pars[], unsigned *nparsp)

 {

 	Symbol *sym;

 	int toomany = 0;

@@ -367,7 +367,7 @@

 			       yylval.sym->name);

 			continue;

 		}

-		if (npars < NR_FUNARG) {

+		if (npars < NR_FUNPARAM) {

 			++npars;

 			*pars++ = sym;

 			continue;

@@ -388,7 +388,7 @@

 	if (yytoken != ')')

-		toomany = krargs(pars, nparsp);

+		toomany = krpars(pars, nparsp);

 	else

 		*nparsp = 0;

@@ -434,7 +434,7 @@

 		}

 		if (sym) {

-			if (npars == NR_FUNARG) {

+			if (npars == NR_FUNPARAM) {

 				toomany = 1;

 			} else {

 				npars++;