[src/check-*] Pickup $(NM), $(OBJDUMP), $(LDD), $(OTOOL)

Fixes https://github.com/harfbuzz/harfbuzz/issues/3019

src/Makefile.am

diff --git a/src/Makefile.am b/src/Makefile.am
index 7a0ca29..f405331 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -410,6 +410,10 @@
 	MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
 	HBSOURCES="$(HBSOURCES)" \
 	HBHEADERS="$(HBHEADERS)" \
+	LDD="$(LDD)" \
+	NM="$(NM)" \
+	OBJDUMP="$(OBJDUMP)" \
+	OTOOL="$(OTOOL)" \
 	$(NULL)
 
 if HAVE_INTROSPECTION