Revert "Make UPnP default on Bitcoin but not on Bitcoind."

This reverts commit ee1f884229.

Stupid, stupid me...there is exactly 0 way to convince make to
execute a conditional based on a target-specific variable.

src/makefile.mingw

@@ -2,6 +2,8 @@
 # Distributed under the MIT/X11 software license, see the accompanying
 # file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
+USE_UPNP:=0
+
 INCLUDEPATHS= \
  -I"C:\boost-1.43.0-mgw" \
  -I"C:\db-4.7.25.NC-mgw\build_unix" \
@@ -33,22 +35,12 @@ CFLAGS=-mthreads -O2 -w -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(DEFS) $(I
 HEADERS=headers.h strlcpy.h serialize.h uint256.h util.h key.h bignum.h base58.h \
     script.h db.h net.h irc.h keystore.h main.h wallet.h rpc.h uibase.h ui.h noui.h init.h
 
-
+ifdef USE_UPNP
-bitcoin.exe: USE_UPNP:=1
-	ifdef USE_UPNP
-		INCLUDEPATHS += -I"C:\upnpc-exe-win32-20110215"
-		LIBPATHS += -L"C:\upnpc-exe-win32-20110215"
-		LIBS += -l miniupnpc -l iphlpapi
-		DEFS += -DSTATICLIB -DUSE_UPNP=$(USE_UPNP)
-	endif
-
-bitcoind.exe: USE_UPNP:=0
-	ifdef USE_UPNP
  INCLUDEPATHS += -I"C:\upnpc-exe-win32-20110215"
  LIBPATHS += -L"C:\upnpc-exe-win32-20110215"
  LIBS += -l miniupnpc -l iphlpapi
  DEFS += -DSTATICLIB -DUSE_UPNP=$(USE_UPNP)
-	endif
+endif
 
 LIBS += -l kernel32 -l user32 -l gdi32 -l comdlg32 -l winspool -l winmm -l shell32 -l comctl32 -l ole32 -l oleaut32 -l uuid -l rpcrt4 -l advapi32 -l ws2_32 -l shlwapi
 

src/makefile.osx

@@ -16,6 +16,8 @@ LIBPATHS= \
 
 WXLIBS=$(shell $(DEPSDIR)/bin/wx-config --libs --static)
 
+USE_UPNP:=0
+
 LIBS= -dead_strip \
  $(DEPSDIR)/lib/libdb_cxx-4.8.a \
  $(DEPSDIR)/lib/libboost_system.a \
@@ -47,17 +49,10 @@ OBJS= \
     cryptopp/obj/sha.o \
     cryptopp/obj/cpu.o
 
-bitcoin: USE_UPNP:=1
+ifdef USE_UPNP
-	ifdef USE_UPNP
-		LIBS += $(DEPSDIR)/lib/libminiupnpc.a
-		DEFS += -DUSE_UPNP=$(USE_UPNP)
-	endif
-
-bitcoind: USE_UPNP:=0
-	ifdef USE_UPNP
 	LIBS += $(DEPSDIR)/lib/libminiupnpc.a
 	DEFS += -DUSE_UPNP=$(USE_UPNP)
-	endif
+endif
 	
 
 all: bitcoin

src/makefile.unix

@@ -8,6 +8,8 @@ WXINCLUDEPATHS=$(shell wx-config --cxxflags)
 
 WXLIBS=$(shell wx-config --libs)
 
+USE_UPNP:=0
+
 DEFS=-DNOPCH -DFOURWAYSSE2 -DUSE_SSL
 
 # for boost 1.37, add -mt to the boost libraries
@@ -21,17 +23,10 @@ LIBS= \
    -l ssl \
    -l crypto
 
-bitcoin: USE_UPNP:=1
+ifdef USE_UPNP
-	ifdef USE_UPNP
-		LIBS += -l miniupnpc
-		DEFS += -DUSE_UPNP=$(USE_UPNP)
-	endif
-
-bitcoind: USE_UPNP:=0
-	ifdef USE_UPNP
 	LIBS += -l miniupnpc
 	DEFS += -DUSE_UPNP=$(USE_UPNP)
-	endif
+endif
 
 LIBS+= \
  -Wl,-Bdynamic \