make it compile under mingw32 --without-curl --without-taglib

ncmpcpp can be built for windows \o/
pdcurses and regex libraries are needed for this though.

src/ncmpcpp.cpp

@@ -180,10 +180,11 @@ int main(int argc, char *argv[])
 	string screen_title;
 	
 	timeval now, past;
-	
 	// local variables end
 	
+#	ifndef WIN32
 	signal(SIGPIPE, SIG_IGN);
+#	endif // !WIN32
 	
 	gettimeofday(&now, 0);