mxml: Use correct paths when installing into staging.

The DSTROOT option passed for the staging install would install
into the target directory, which is not what was intended.

Signed-off-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/mxml/mxml.mk

@@ -7,9 +7,9 @@ MXML_VERSION = 2.6
 MXML_SITE = http://ftp.easysw.com/pub/mxml/2.6
 MXML_INSTALL_STAGING = YES
 
-MXML_INSTALL_STAGING_OPT = DSTROOT=$(TARGET_DIR) install
+MXML_INSTALL_STAGING_OPT = DSTROOT=$(STAGING_DIR) install
 MXML_INSTALL_TARGET_OPT = DSTROOT=$(TARGET_DIR) install
-MXML_UNINSTALL_STAGING_OPT = DSTROOT=$(TARGET_DIR) uninstall
+MXML_UNINSTALL_STAGING_OPT = DSTROOT=$(STAGING_DIR) uninstall
 MXML_UNINSTALL_TARGET_OPT = DSTROOT=$(TARGET_DIR) uninstall
 
 $(eval $(call AUTOTARGETS))