espeak: use $(TARGET_MAKE_ENV) when calling $(MAKE)

Signed-off-by: Gustavo Zacarias <gustavo.zacarias@free-electrons.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/espeak/espeak.mk

@@ -32,12 +32,12 @@ define ESPEAK_CONFIGURE_CMDS
 endef
 
 define ESPEAK_BUILD_CMDS
-	$(MAKE) -C $(@D)/src  $(TARGET_CONFIGURE_OPTS) \
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/src  $(TARGET_CONFIGURE_OPTS) \
 		AUDIO="$(ESPEAK_AUDIO_BACKEND)" all
 endef
 
 define ESPEAK_INSTALL_TARGET_CMDS
-	$(MAKE) -C $(@D)/src DESTDIR="$(TARGET_DIR)" install
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/src DESTDIR="$(TARGET_DIR)" install
 endef
 
 $(eval $(generic-package))