[hackers] [scc] Fix small typo in cc1/lex.c || Roberto E. Vargas Caballero

[git]

commit 7d2f47dc7b2267e115019d73a88788d5b313fbb9
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Mon Dec 14 14:15:54 2015 +0100
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Mon Dec 14 14:15:54 2015 +0100

    Fix small typo in cc1/lex.c

diff --git a/cc1/lex.c b/cc1/lex.c
index 32d6246..96a71c8 100644
--- a/cc1/lex.c
+++ b/cc1/lex.c
@@ -395,7 +395,7 @@ number(void)
 static char
 escape(void)
 {
-       int n, base;
+       int c, base;
 
        switch (*++input->p) {
        case 'a':  return '\a';