File dega-math.patch of Package dega

--- Makefile.orig	2016-11-25 13:40:32.786735079 +0100
+++ Makefile	2016-11-25 13:40:40.079897894 +0100
@@ -18,7 +18,7 @@ SDLOBJ = sdl/main.o
 all: dega
 
 dega: $(SDLOBJ) $(DOZEOBJ) $(MASTOBJ)
-	$(CC) -o dega sdl/main.o $(DOZEOBJ) $(MASTOBJ) $(shell sdl-config --libs)
+	$(CC) -o dega sdl/main.o $(DOZEOBJ) $(MASTOBJ) $(shell sdl-config --libs) -lm
 
 doze/dozea.o: doze/dozea.asm
 	nasm -f elf doze/dozea.asm