Remote -w451 flag -- not available in all versions of gcc

bindings/Makefile.am

@@ -4,7 +4,7 @@
 #
 
 AM_CPPFLAGS = @AM_CPPFLAGS@ -I$(top_srcdir)/include -I$(top_srcdir)/bindings  \
-	$(TCL_INCLUDE_SPEC) $(PYTHON_CPPFLAGS) -w451
+	$(TCL_INCLUDE_SPEC) $(PYTHON_CPPFLAGS)
 
 AM_CFLAGS = @AM_CPPFLAGS@ -fno-strict-aliasing
 AM_CXXFLAGS = -O2

src/rig.c

@@ -8769,7 +8769,7 @@ void *morse_data_handler(void *arg)
                 int nloops = 10;
                 MUTEX_LOCK(morse_mutex); // wait until the write is idle
 
-		rig_lock(rig, 1);
+		        rig_lock(rig, 1);
                 do
                 {
                     result = rig->caps->send_morse(rig, RIG_VFO_CURR, c);