Added properly "extern" keyword for extension declaration.

build-mac/libetpan.xcodeproj/project.pbxproj

@@ -1410,8 +1410,6 @@
 		C6F9E9D3105335BC0059C3BA /* imap */ = {
 			isa = PBXGroup;
 			children = (
-				C6F61F721701409B0073032E /* xgmthrid.c */,
-				C6F61F731701409B0073032E /* xgmthrid.h */,
 				C6F9E9EE105335BC0059C3BA /* acl.c */,
 				C6F9E9EF105335BC0059C3BA /* acl.h */,
 				C6F9E9F0105335BC0059C3BA /* acl_parser.c */,
@@ -1501,6 +1499,8 @@
 				C6CE9B1814AA9C9C00D20BA6 /* xgmlabels.h */,
 				365DFFD115D1C93100F2DD85 /* xgmmsgid.c */,
 				365DFFD815D1CF1800F2DD85 /* xgmmsgid.h */,
+				C6F61F721701409B0073032E /* xgmthrid.c */,
+				C6F61F731701409B0073032E /* xgmthrid.h */,
 				C6667DED1342ACCD00969A8E /* xlist.c */,
 				C6667DEE1342ACCD00969A8E /* xlist.h */,
 			);

src/low-level/imap/xgmmsgid.h

@@ -9,7 +9,7 @@ extern "C" {
 #include <libetpan/mailimap_extension.h>
 
   LIBETPAN_EXPORT
-  struct mailimap_extension_api mailimap_extension_xgmmsgid;
+  extern struct mailimap_extension_api mailimap_extension_xgmmsgid;
   
   LIBETPAN_EXPORT
   struct mailimap_fetch_att * mailimap_fetch_att_new_xgmmsgid(void);

src/low-level/imap/xgmthrid.h

@@ -9,7 +9,7 @@ extern "C" {
 #include <libetpan/mailimap_extension.h>
 
   LIBETPAN_EXPORT
-  struct mailimap_extension_api mailimap_extension_xgmthrid;
+  extern struct mailimap_extension_api mailimap_extension_xgmthrid;
   
   LIBETPAN_EXPORT
   struct mailimap_fetch_att * mailimap_fetch_att_new_xgmthrid(void);