[JFFS2] Fix section mismatch warnings in JFFS2.

Mark certain functions with __init and __exit appropriately.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/compr.c b/fs/jffs2/compr.c
index e7944e6..5f45e01 100644
--- a/fs/jffs2/compr.c
+++ b/fs/jffs2/compr.c
@@ -412,7 +412,7 @@
                 kfree(comprbuf);
 }
 
-int jffs2_compressors_init(void)
+int __init jffs2_compressors_init(void)
 {
 /* Registering compressors */
 #ifdef CONFIG_JFFS2_ZLIB
@@ -440,7 +440,7 @@
         return 0;
 }
 
-int jffs2_compressors_exit(void)
+int __exit jffs2_compressors_exit(void)
 {
 /* Unregistering compressors */
 #ifdef CONFIG_JFFS2_RUBIN