consitify do_mount() arguments

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
(cherry picked from commit 808d4e3cfdcc52b19276175464f6dbca4df13b09)
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>

Change-Id: I70d4c162ea08089335c08d253c92bb4da3711c5e
diff --git a/security/capability.c b/security/capability.c
index fc991bc..d0a49ee 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -94,8 +94,8 @@
 	return 0;
 }
 
-static int cap_sb_mount(char *dev_name, struct path *path, char *type,
-			unsigned long flags, void *data)
+static int cap_sb_mount(const char *dev_name, struct path *path,
+			const char *type, unsigned long flags, void *data)
 {
 	return 0;
 }