whitespace fixes. no code changes

diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 057b9e4..e1edd20 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -300,9 +300,9 @@
 
 /* File callback for /sys/ traversal */
 static int fileAction(const char *fileName,
-                      struct stat *statbuf ATTRIBUTE_UNUSED,
-                      void *userData,
-                      int depth ATTRIBUTE_UNUSED)
+		struct stat *statbuf ATTRIBUTE_UNUSED,
+		void *userData,
+		int depth ATTRIBUTE_UNUSED)
 {
 	size_t len = strlen(fileName) - 4; /* can't underflow */
 	char *scratch = userData;
@@ -320,9 +320,9 @@
 
 /* Directory callback for /sys/ traversal */
 static int dirAction(const char *fileName ATTRIBUTE_UNUSED,
-                      struct stat *statbuf ATTRIBUTE_UNUSED,
-                      void *userData ATTRIBUTE_UNUSED,
-                      int depth)
+		struct stat *statbuf ATTRIBUTE_UNUSED,
+		void *userData ATTRIBUTE_UNUSED,
+		int depth)
 {
 	return (depth >= MAX_SYSFS_DEPTH ? SKIP : TRUE);
 }