[libsoup/libsoup-2-74] Also fix missing extern on 2-27 branch

[Patrick Griffis <pgriffis src gnome org>]

commit ecdc58ad16cc0c6883408c81a8501a9b532f8a3f
Author: Melroy van den Berg <melroy melroy org>
Date:   Sat Feb 26 01:22:17 2022 +0000

    Also fix missing extern on 2-27 branch

 libsoup/soup-version.h.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libsoup/soup-version.h.in b/libsoup/soup-version.h.in
index 07bed7fd..99eea5ea 100644
--- a/libsoup/soup-version.h.in
+++ b/libsoup/soup-version.h.in
@@ -33,7 +33,7 @@ G_BEGIN_DECLS
 #  ifdef G_PLATFORM_WIN32
 #    ifdef LIBSOUP_COMPILATION
 #      ifdef DLL_EXPORT
-#        define SOUP_VAR __declspec(dllexport)
+#        define SOUP_VAR extern __declspec(dllexport)
 #      else /* !DLL_EXPORT */
 #        define SOUP_VAR extern
 #      endif /* !DLL_EXPORT */