Include symbols in docker-machine binary

mk/main.mk

@@ -14,8 +14,8 @@ ifeq ($(DEBUG),true)
 	# Disable function inlining and variable registerization
 	GO_GCFLAGS := -gcflags "-N -l"
 else
-	# Turn of DWARF debugging information and strip the binary otherwise
-	GO_LDFLAGS := $(GO_LDFLAGS) -w -s
+	# Turn of DWARF debugging information otherwise
+	GO_LDFLAGS := $(GO_LDFLAGS) -w
 endif
 
 # Honor static