init/initramfs.c: fix "symbol shadows an earlier one" noise

The symbol 'count' is a local global variable in this file.  The function
clean_rootfs() should use a different symbol name to prevent "symbol
shadows an earlier one" noise.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/init/initramfs.c b/init/initramfs.c
index b37d34b..37d3859 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -525,7 +525,7 @@
 	int fd;
 	void *buf;
 	struct linux_dirent64 *dirp;
-	int count;
+	int num;
 
 	fd = sys_open("/", O_RDONLY, 0);
 	WARN_ON(fd < 0);
@@ -539,9 +539,9 @@
 	}
 
 	dirp = buf;
-	count = sys_getdents64(fd, dirp, BUF_SIZE);
-	while (count > 0) {
-		while (count > 0) {
+	num = sys_getdents64(fd, dirp, BUF_SIZE);
+	while (num > 0) {
+		while (num > 0) {
 			struct stat st;
 			int ret;
 
@@ -554,12 +554,12 @@
 					sys_unlink(dirp->d_name);
 			}
 
-			count -= dirp->d_reclen;
+			num -= dirp->d_reclen;
 			dirp = (void *)dirp + dirp->d_reclen;
 		}
 		dirp = buf;
 		memset(buf, 0, BUF_SIZE);
-		count = sys_getdents64(fd, dirp, BUF_SIZE);
+		num = sys_getdents64(fd, dirp, BUF_SIZE);
 	}
 
 	sys_close(fd);