mass removal of underscores from _BB_DIR_foo and _BB_SUID_foo

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 0c4311f..56ed254 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -132,7 +132,7 @@
 }
 #endif
 
-//applet:IF_BASE64(APPLET(base64, _BB_DIR_BIN, _BB_SUID_DROP))
+//applet:IF_BASE64(APPLET(base64, BB_DIR_BIN, BB_SUID_DROP))
 
 //kbuild:lib-$(CONFIG_BASE64) += uudecode.o