[PATCH 3/5] pathspec.h: clean up "extern" in function declarations

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

"extern" on functions is not required and the trend has been removing
it from header files.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 pathspec.h | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/pathspec.h b/pathspec.h
index a6525a6551..5fd781d695 100644
--- a/pathspec.h
+++ b/pathspec.h
@@ -80,13 +80,13 @@ struct pathspec {
  * Any arguments used are copied. It is safe for the caller to modify
  * or free 'prefix' and 'args' after calling this function.
  */
-extern void parse_pathspec(struct pathspec *pathspec,
-			   unsigned magic_mask,
-			   unsigned flags,
-			   const char *prefix,
-			   const char **args);
-extern void copy_pathspec(struct pathspec *dst, const struct pathspec *src);
-extern void clear_pathspec(struct pathspec *);
+void parse_pathspec(struct pathspec *pathspec,
+		    unsigned magic_mask,
+		    unsigned flags,
+		    const char *prefix,
+		    const char **args);
+void copy_pathspec(struct pathspec *dst, const struct pathspec *src);
+void clear_pathspec(struct pathspec *);
 
 static inline int ps_strncmp(const struct pathspec_item *item,
 			     const char *s1, const char *s2, size_t n)
@@ -106,10 +106,10 @@ static inline int ps_strcmp(const struct pathspec_item *item,
 		return strcmp(s1, s2);
 }
 
-extern void add_pathspec_matches_against_index(const struct pathspec *pathspec,
-					       const struct index_state *istate,
-					       char *seen);
-extern char *find_pathspecs_matching_against_index(const struct pathspec *pathspec,
-						   const struct index_state *istate);
+void add_pathspec_matches_against_index(const struct pathspec *pathspec,
+					const struct index_state *istate,
+					char *seen);
+char *find_pathspecs_matching_against_index(const struct pathspec *pathspec,
+					    const struct index_state *istate);
 
 #endif /* PATHSPEC_H */
-- 
2.19.1.1327.g328c130451.dirty