pandora: Fixed compiler warning about redefining SDL_REVISION.

Makefile must not create the revision header anymore because it already exists.

Makefile.pandora

@@ -8,7 +8,7 @@ STRIP = arm-none-linux-gnueabi-strip
 
 CFLAGS  = -O3 -march=armv7-a -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=softfp \
 	-mfpu=neon -ftree-vectorize -ffast-math -fomit-frame-pointer -fno-strict-aliasing -fsingle-precision-constant \
-	-I./include -I$(PNDSDK)/usr/include -DSDL_REVISION=0
+	-I./include -I$(PNDSDK)/usr/include
 
 TARGET  = libSDL.a
 
@@ -25,7 +25,7 @@ SOURCES = ./src/*.c ./src/audio/*.c ./src/cpuinfo/*.c ./src/events/*.c \
 
 OBJECTS = $(shell echo $(SOURCES) | sed -e 's,\.c,\.o,g')
 
-CONFIG_H = $(shell cp include/SDL_config_pandora.h include/SDL_config.h && touch include/SDL_revision.h)
+CONFIG_H = $(shell cp include/SDL_config_pandora.h include/SDL_config.h)
 
 all: $(TARGET)