Added support for bitmap files.

Makefile

@@ -26,7 +26,7 @@ FONTSIZE := 20
 SRC := $(basename $(shell grep -l '\\begin{document}' *.tex))
 DIA_PIC := $(basename $(shell ls *.dia))
 GNP := $(basename $(shell ls *.gnp))
-PIC_EXT := dot gif jpg png ppm svg xcf
+PIC_EXT := dot gif jpg png ppm svg xcf bmp
 PIC := $(foreach I, $(PIC_EXT), $(basename $(shell ls *.$I)))
 #PIC_EPS := $(addsuffix .eps, $(PIC))
 
@@ -98,6 +98,9 @@ release: all clean
 %.eps: %.xcf
 	$(CONVERT) $< $@
 
+%.eps: %.bmp
+	$(CONVERT) $< $@
+
 %.tnp: %.gnp $(DEP)
 	echo "set terminal postscript color eps font \"default,$(FONTSIZE)\"" > $@ ;\
 	cat $< >> $@