1 files changed, 3 insertions, 2 deletions
diff --git a/source/blender/makesdna/DNA_object_force.h b/source/blender/makesdna/DNA_object_force.h
index a6898279a1d..89d31586f6b 100644
--- a/source/blender/makesdna/DNA_object_force.h
+++ b/source/blender/makesdna/DNA_object_force.h
@@ -141,10 +141,11 @@ typedef struct EffectorWeights {
 
 #define BPHYS_TOT_DATA			8
 
+#define BPHYS_EXTRA_FLUID_SPRINGS	1
+
 typedef struct PTCacheExtra {
 	struct PTCacheExtra *next, *prev;
-	unsigned int type, flag;
-	unsigned int totdata, datasize;
+	unsigned int type, totdata;
 	void *data;
 } PTCacheExtra;