Fix src/Makefile.am removing md5.h

https://github.com/Hamlib/Hamlib/issues/813

src/Makefile.am

@@ -11,7 +11,7 @@ RIGSRC = hamlibdatetime.h rig.c serial.c serial.h misc.c misc.h register.c regis
    	network.c network.h cm108.c cm108.h gpio.c gpio.h idx_builtin.h token.h \
    	par_nt.h microham.c microham.h amplifier.c amp_reg.c amp_conf.c \
    	amp_conf.h amp_settings.c extamp.c sleep.c sleep.h sprintflst.c \
-   	sprintflst.h cache.c cache.h snapshot_data.c snapshot_data.h md5.h
+   	sprintflst.h cache.c cache.h snapshot_data.c snapshot_data.h
 
 lib_LTLIBRARIES = libhamlib.la
 libhamlib_la_SOURCES = $(RIGSRC)