Fix to prevent rain and storm from happening at once

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@1534 3b4a5df2-a311-0410-b5c6-a8a6f20db521

TileEngine/XML_ExplosionData.cpp

@@ -24,10 +24,10 @@ struct
 	CHAR8		szCharData[MAX_CHAR_DATA_LENGTH+1];
 
 	EXPLOSION_DATA  expData;
-	UINT32			maxArraySize;
-	UINT32			curIndex;	
-	UINT32			currentDepth;
-	UINT32			maxReadDepth;
+	INT32			maxArraySize;
+	INT32			curIndex;	
+	INT32			currentDepth;
+	INT32			maxReadDepth;
 }
 typedef explosionDataParseData;