updated for version 7.2a
diff --git a/src/option.h b/src/option.h
index 3818bcd..00374d7 100644
--- a/src/option.h
+++ b/src/option.h
@@ -742,6 +742,14 @@
EXTERN char_u *p_su; /* 'suffixes' */
EXTERN char_u *p_sws; /* 'swapsync' */
EXTERN char_u *p_swb; /* 'switchbuf' */
+EXTERN unsigned swb_flags;
+#ifdef IN_OPTION_C
+static char *(p_swb_values[]) = {"useopen", "usetab", "split", "newtab", NULL};
+#endif
+#define SWB_USEOPEN 0x001
+#define SWB_USETAB 0x002
+#define SWB_SPLIT 0x004
+#define SWB_NEWTAB 0x008
EXTERN int p_tbs; /* 'tagbsearch' */
EXTERN long p_tl; /* 'taglength' */
EXTERN int p_tr; /* 'tagrelative' */