Fix version in windows binaries

Author: rbsec

Makefile.mingw

@@ -53,7 +53,7 @@ CFLAGS += -Iopenssl_mingw/include -D__USE_GNU -DOPENSSL_NO_SSL2 -Wno-deprecated-
 LDFLAGS += -lws2_32 -lgdi32 -lcrypt32
 
 # Set the version string for the program.
-VERSION = "$(shell grep -E -o -m 1 "[0-9]+\.[0-9]+\.[0-9]+" Changelog) Windows $(ARCHITECTURE) (Mingw)"
+VERSION = "$(shell grep -E -o -m 1 '[0-9]+\.[0-9]+\.[0-9]+(\-[a-z]+[0-9]+)?' Changelog) Windows $(ARCHITECTURE) (Mingw)"
 
 
 all: sslscan