merge from gd sources: unlock mutex before shuting it down

diff --git a/ext/gd/libgd/gdft.c b/ext/gd/libgd/gdft.c
index 86dd8c3c771abc3c2b5314c89c8b81967a0abf09..499de8637b2d51036efaa1f073c6ce05312178d9 100644 (file)
--- a/ext/gd/libgd/gdft.c
+++ b/ext/gd/libgd/gdft.c
@@ -721,6 +721,7 @@ void gdFontCacheShutdown()
                gdMutexLock(gdFontCacheMutex);
                gdCacheDelete(fontCache);
                fontCache = NULL;
+               gdMutexUnlock(gdFontCacheMutex);
                gdMutexShutdown(gdFontCacheMutex);
                FT_Done_FreeType(library);
        }