Made the WTVR coolign only for teh H2/O2 reaction (To keep save compatavbility)

src/elements/pyro.c

@@ -14,6 +14,7 @@ int update_PYRO(UPDATE_FUNC_ARGS) {
 			t = PT_DSTW;
 			part_change_type(i,x,y,t);
 			parts[i].life = 0;
+			parts[i].ctype = PT_FIRE;
 		}
 		else if (parts[i].temp<625)
 		{

src/elements/wtrv.c

@@ -15,7 +15,7 @@ int update_WTRV(UPDATE_FUNC_ARGS) {
 					parts[i].life = 4;
 				}
 			}
-	if(parts[i].temp>1273)
+	if(parts[i].temp>1273&&parts[i].ctype==PT_FIRE)
 		parts[i].temp-=parts[i].temp/1000;
 	return 0;
 }