File fix.patch of Package sparrow3d

diff --git a/sparrowCore.c b/sparrowCore.c
index 0c952fd..dcbef74 100644
--- a/sparrowCore.c
+++ b/sparrowCore.c
@@ -86,8 +86,8 @@ char spWindowName[512] = "";
 int spVirtualKeyboardSpaceButton = -1;
 int spVirtualKeyboardBackspaceButton = -1;
 
-int __spMapDesktopHack;
-int __spMapDesktopButton[SP_MAPPING_MAX];
+extern int __spMapDesktopHack;
+extern int __spMapDesktopButton[SP_MAPPING_MAX];
 
 typedef struct sp_cache_struct *sp_cache_pointer;
 typedef struct sp_cache_struct {