Remove the VUT_g_Arg special case

It's no longer used anyway, and was already called via the generic
VUT_Arg function.

include/vut.h

@@ -69,8 +69,6 @@ extern struct VUT VUT;
 void VUT_Error(int status, const char *fmt, ...)
 	__v_printflike(2, 3) __attribute__((__noreturn__));
 
-int VUT_g_Arg(const char *arg);
-
 int VUT_Arg(int opt, const char *arg);
 
 void VUT_Init(const char *progname, int argc, char * const *argv,

lib/libvarnishapi/libvarnishapi.map

@@ -133,7 +133,6 @@ LIBVARNISHAPI_2.0 {
 		VUT_Init;
 		VUT_Main;
 		VUT_Setup;
-		VUT_g_Arg;
 
     local:
 	*;

lib/libvarnishapi/vut.c

@@ -124,18 +124,6 @@ VUT_Error(int status, const char *fmt, ...)
 	exit(status);
 }
 
-int
-VUT_g_Arg(const char *arg)
-{
-
-	VUT.g_arg = VSLQ_Name2Grouping(arg, -1);
-	if (VUT.g_arg == -2)
-		VUT_Error(1, "Ambiguous grouping type: %s", arg);
-	else if (VUT.g_arg < 0)
-		VUT_Error(1, "Unknown grouping type: %s", arg);
-	return (1);
-}
-
 int
 VUT_Arg(int opt, const char *arg)
 {
@@ -154,7 +142,12 @@ VUT_Arg(int opt, const char *arg)
 	case 'g':
 		/* Grouping */
 		AN(arg);
-		return (VUT_g_Arg(arg));
+		VUT.g_arg = VSLQ_Name2Grouping(arg, -1);
+		if (VUT.g_arg == -2)
+			VUT_Error(1, "Ambiguous grouping type: %s", arg);
+		else if (VUT.g_arg < 0)
+			VUT_Error(1, "Unknown grouping type: %s", arg);
+		return (1);
 	case 'k':
 		/* Log transaction limit */
 		AN(arg);