(svn r3113) -Fix: The Makefile had 64bit code which was obsolete, not to say wrong.

This removes all the 64bit stuff from the Makefile. Everything should 
  work just fine. Also removed the warning on amd64, 64bit OpenTTD is 
  stable. Tnx to dst for commenting and testing on this subject.

Makefile

@@ -255,13 +255,6 @@ endif
 # MorphOS needs builddate
 BUILDDATE=`date +%d.%m.%y`
 
-# AMD64 needs a little more settings to work
-ifeq ($(shell uname -m), x86_64)
-endwarnings:=endwarnings
-64_bit_warnings:=64_bit_warnings
-BASECFLAGS += -m64
-endif
-
 # Check if there is a windres override
 ifndef WINDRES
 WINDRES = windres
@@ -778,7 +771,7 @@ OSX_MIDI_PLAYER_FILE:=os/macos/OpenTTDMidi.class
 endif
 
 
-all: endian_target.h endian_host.h $(UPDATECONFIG) $(LANGS) $(TTD) $(OSX) $(endwarnings)
+all: endian_target.h endian_host.h $(UPDATECONFIG) $(LANGS) $(TTD) $(OSX)
 
 endian_host.h: $(ENDIAN_CHECK)
 	@echo '===> Testing endianness for host'
@@ -810,12 +803,6 @@ $(OSX): $(TTD)
 	$(Q)cp lang/*.lng "$(OSXAPP)"/Contents/Lang/
 	$(Q)cp $(TTD) "$(OSXAPP)"/Contents/MacOS/$(TTD)
 
-$(endwarnings): $(64_bit_warnings)
-
-$(64_bit_warnings):
-	$(warning 64 bit CPUs will get some 64 bit specific bugs!)
-	$(warning If you see any bugs, include in your bug report that you use a 64 bit CPU)
-
 $(STRGEN): strgen/strgen.c endian_host.h
 	@echo '===> Compiling and Linking $@'
 	$(Q)$(CC_HOST) $(CFLAGS_HOST) $(CDEFS) $< -o $@
@@ -982,7 +969,7 @@ endif
 love:
 	@echo "YES! I thought you would never ask. We will have a great time. You can keep me turned on all night"
 
-.PHONY: clean all $(OSX) install $(64_bit_warnings) $(endwarnings) love
+.PHONY: clean all $(OSX) install love
 
 
 ### Automatic configuration