package/musl: remove rcrt1.o from target installation

rcrt1.o is a new startup for "static-pie" apps, and only needed for
building, should not end up in the target filesystem.

Signed-off-by: Norbert Lange <norbert.lange@andritz.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit de5fef8c0482889743fb27542ccb013c10f1db8a)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/musl/musl.mk

@@ -58,7 +58,7 @@ endef
 define MUSL_INSTALL_TARGET_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
 		DESTDIR=$(TARGET_DIR) install-libs
-	$(RM) $(addprefix $(TARGET_DIR)/lib/,crt1.o crtn.o crti.o Scrt1.o)
+	$(RM) $(addprefix $(TARGET_DIR)/lib/,crt1.o crtn.o crti.o rcrt1.o Scrt1.o)
 endef
 
 $(eval $(generic-package))