check if skinframe is NULL in R_SkinFrame_MarkUsed

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7171 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_rmain.c b/gl_rmain.c
index b3294517c45a9572cf190441ad492c6323a8150a..3d35a29cd23703a144e66142e0ca0518a951b120 100644 (file)
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -1055,6 +1055,8 @@ void R_SkinFrame_PrepareForPurge(void)
 
 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
 {
+       if (!skinframe)
+               return;
        // mark the skinframe as used for the purging code
        skinframe->loadsequence = r_skinframe.loadsequence;
 }