Fixed compiler warning.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7612

diff --git a/exp-drd/drd_intercepts.c b/exp-drd/drd_intercepts.c
index ef654558e5d6387e5b91dd39c04c3e3dcd8c5ffd..e41d51defa0ca065c4433905d1338ede7fcfdac0 100644 (file)
--- a/exp-drd/drd_intercepts.c
+++ b/exp-drd/drd_intercepts.c
@@ -171,7 +171,7 @@ static int detected_linuxthreads(void)
 #if defined(_CS_GNU_LIBPTHREAD_VERSION)
    /* Linux with a recent glibc. */
    char buffer[256];
-   int len;
+   unsigned len;
    len = confstr(_CS_GNU_LIBPTHREAD_VERSION, buffer, sizeof(buffer));
    assert(len <= sizeof(buffer));
    return len > 0 && buffer[0] == 'l';