package/pkg-cmake.mk: fix indent

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/pkg-cmake.mk

@@ -58,7 +58,7 @@ $(2)_MAKE_ENV			?=
 $(2)_MAKE_OPTS			?=
 $(2)_INSTALL_OPTS		?= install
 $(2)_INSTALL_STAGING_OPTS	?= DESTDIR=$$(STAGING_DIR) install/fast
-$(2)_INSTALL_TARGET_OPTS		?= DESTDIR=$$(TARGET_DIR) install/fast
+$(2)_INSTALL_TARGET_OPTS	?= DESTDIR=$$(TARGET_DIR) install/fast
 
 $(3)_SUPPORTS_IN_SOURCE_BUILD ?= YES