[hackers] [scc] [cc1] Fix bug after 0fc57e5 || Roberto E. Vargas Caballero

[git]

commit f51a68e44b4bb4255a371f30ec95da9282033bd5
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Wed May 11 16:59:35 2016 +0200
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Wed May 11 16:59:35 2016 +0200

    [cc1] Fix bug after 0fc57e5
    
    0fc57e5 fixed a bug but introduced another one.

diff --git a/cc1/cpp.c b/cc1/cpp.c
index 6d96635..2015b4e 100644
--- a/cc1/cpp.c
+++ b/cc1/cpp.c
@@ -304,7 +304,8 @@ getpars(Symbol *args[NR_MACROARG])
        if (accept(')'))
                return 0;
 
-       for (n = 0; ; ++n) {
+       n = 0;
+       do {
                if (n == NR_MACROARG) {
                        cpperror("too much parameters in macro");
                        return NR_MACROARG;
@@ -315,11 +316,9 @@ getpars(Symbol *args[NR_MACROARG])
                }
                sym = install(NS_IDEN, yylval.sym);
                sym->flags |= SUSED;
-               args[n] = sym;
+               args[n++] = sym;
                next();
-               if (!accept(','))
-                       break;
-       }
+       } while (accept(','));
        expect(')');
 
        return n;