Rename this (minimal) base64 implementation to enforce uniqueness

of sourcefile names over the project.

bin/varnishncsa/Makefile.am

@@ -9,8 +9,8 @@ bin_PROGRAMS = varnishncsa
 varnishncsa_SOURCES = \
 	varnishncsa.c \
 	varnishncsa_options.h \
-	base64.h \
-	base64.c
+	b64.h \
+	b64.c
 
 varnishncsa_CFLAGS = \
 	@SAN_CFLAGS@

bin/varnishncsa/base64.c → bin/varnishncsa/b64.c

@@ -9,7 +9,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "base64.h"
+#include "b64.h"
 
 static const char b64[] =
     "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

bin/varnishncsa/varnishncsa.c

@@ -57,7 +57,7 @@
 #define VOPT_DEFINITION
 #define VOPT_INC "varnishncsa_options.h"
 
-#include "base64.h"
+#include "b64.h"
 #include "vapi/vsl.h"
 #include "vapi/voptget.h"
 #include "vas.h"