Minor water bugfix.

src/player_modifiers.c

@@ -3,7 +3,7 @@
 #include "conf.h"
 
 void player_mod_water(Player *player, uint8_t sides) {
-	if (sides & D_ANY) {
+	if (sides & D_ANY & ~(D_FLOOR)) {
 		/* precise and slow movement */
 		player->vars.acceleration *= 4;
 		player->vars.friction *= 16;