staging: lustre: Use kernel's strncasecmp and remove cfs_get_blocked_sigs

Remove libcfs function cfs_strncasecmp() since the kernel
already has its own strncasecmp(). Lastly remove from libcfs.h
cfs_get_blocked_sigs() since this function no longer exist.
Signed-off-by: James Simmons <uja.ornl@gmail.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3963
Reviewed-on: http://review.whamcloud.com/13070Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Patrick Farrell <paf@cray.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/libcfs/libcfs.h

@@ -90,7 +90,6 @@ void cfs_enter_debugger(void);
  * Defined by platform
  */
 int unshare_fs_struct(void);
-sigset_t cfs_get_blocked_sigs(void);
 sigset_t cfs_block_allsigs(void);
 sigset_t cfs_block_sigs(unsigned long sigs);
 sigset_t cfs_block_sigsinv(unsigned long sigs);

drivers/staging/lustre/include/linux/libcfs/libcfs_string.h

@@ -44,8 +44,6 @@
 #define __LIBCFS_STRING_H__
 
 /* libcfs_string.c */
-/* string comparison ignoring case */
-int cfs_strncasecmp(const char *s1, const char *s2, size_t n);
 /* Convert a text string to a bitmask */
 int cfs_str2mask(const char *str, const char *(*bit2str)(int bit),
 		 int *oldmask, int minmask, int allmask);