rtmpdump: 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/rtmpdump/rtmpdump.mk

@@ -38,7 +38,7 @@ RTMPDUMP_MAKE_FLAGS = \
 	$(RTMPDUMP_SHARED)
 
 define RTMPDUMP_BUILD_CMDS
-	$(MAKE) $(RTMPDUMP_MAKE_FLAGS) \
+	$(TARGET_MAKE_ENV) $(MAKE) $(RTMPDUMP_MAKE_FLAGS) \
 		XCFLAGS="$(RTMPDUMP_CFLAGS)" \
 		XLDFLAGS="$(TARGET_LDFLAGS)" \
 		CROSS_COMPILE="$(TARGET_CROSS)" \
@@ -46,11 +46,11 @@ define RTMPDUMP_BUILD_CMDS
 endef
 
 define RTMPDUMP_INSTALL_STAGING_CMDS
-	$(MAKE) -C $(@D)/librtmp install DESTDIR=$(STAGING_DIR) $(RTMPDUMP_MAKE_FLAGS)
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/librtmp install DESTDIR=$(STAGING_DIR) $(RTMPDUMP_MAKE_FLAGS)
 endef
 
 define RTMPDUMP_INSTALL_TARGET_CMDS
-	$(MAKE) -C $(@D)/librtmp install DESTDIR=$(TARGET_DIR) $(RTMPDUMP_MAKE_FLAGS)
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/librtmp install DESTDIR=$(TARGET_DIR) $(RTMPDUMP_MAKE_FLAGS)
 endef
 
 $(eval $(generic-package))