Fix a const poisoning warning

diff --git a/gnu/usr.bin/cvs/src/main.c b/gnu/usr.bin/cvs/src/main.c
index 1196ce4..0127d65 100644 (file)
--- a/gnu/usr.bin/cvs/src/main.c
+++ b/gnu/usr.bin/cvs/src/main.c
@@ -918,7 +918,8 @@ parseopts(root)
     char path[PATH_MAX];
     int save_errno;
     char buf[1024];
-    char *p;
+    const char *p;
+    char *q;
     FILE *fp;
 
     if (root == NULL) {
@@ -939,9 +940,9 @@ parseopts(root)
        while (fgets(buf, sizeof buf, fp) != NULL) {
            if (buf[0] == '#')
                continue;
-           p = strrchr(buf, '\n');
-           if (p)
-               *p = '\0';
+           q = strrchr(buf, '\n');
+           if (q)
+               *q = '\0';
 
            if (!strncmp(buf, "tag=", 4)) {
                char *RCS_citag = strdup(buf+4);