reiserfs: correct misspelled "REISERFS_PROC_INFO" to "CONFIG_REISERFS_PROC_INFO"

Correct the misspelling of the preprocessor check of a Kconfig option to refer
to CONFIG_REISERFS_PROC_INFO and not just the incorrect REISERFS_PROC_INFO.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index ecc9943..83b9135 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -20,7 +20,7 @@
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 
-#if defined( REISERFS_PROC_INFO )
+#ifdef CONFIG_REISERFS_PROC_INFO
 
 /*
  * LOCKING: