Moved checkpoints out of main, to prep for using them to help prevent DoS attacks

src/makefile.vc

@@ -43,6 +43,7 @@ CFLAGS=/MD /c /nologo /EHsc /GR /Zm300 $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS)
 HEADERS = \
     base58.h \
     bignum.h \
+    checkpoints.h \
     crypter.h \
     db.h \
     headers.h \
@@ -65,6 +66,7 @@ HEADERS = \
     wallet.h
 
 OBJS= \
+    obj\checkpoints.o \
     obj\crypter.o \
     obj\db.o \
     obj\init.o \
@@ -87,6 +89,8 @@ all: bitcoind.exe
 .cpp{obj}.obj:
     cl $(CFLAGS) /DGUI /Fo$@ %s
 
+obj\checkpoints.obj: $(HEADERS)
+
 obj\util.obj: $(HEADERS)
 
 obj\script.obj: $(HEADERS)
@@ -116,6 +120,8 @@ obj\uibase.obj: $(HEADERS)
 .cpp{obj\nogui}.obj:
     cl $(CFLAGS) /Fo$@ %s
 
+obj\nogui\checkpoints.obj: $(HEADERS)
+
 obj\nogui\util.obj: $(HEADERS)
 
 obj\nogui\script.obj: $(HEADERS)