updated for version 7.3.119
Problem: Build problem on Mac. (Nicholas Stallard)
Solution: Use "extern" instead of "EXTERN" for p_vfile.
diff --git a/src/option.h b/src/option.h
index 91faabe..e2e65a0 100644
--- a/src/option.h
+++ b/src/option.h
@@ -857,7 +857,7 @@
#ifdef IN_OPTION_C
char_u *p_vfile = (char_u *)""; /* used before options are initialized */
#else
-EXTERN char_u *p_vfile; /* 'verbosefile' */
+extern char_u *p_vfile; /* 'verbosefile' */
#endif
EXTERN int p_warn; /* 'warn' */
#ifdef FEAT_CMDL_COMPL