dmalloc: Fix install path for headers and info files.

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

package/dmalloc/dmalloc.mk

@@ -37,7 +37,7 @@ define DMALLOC_INSTALL_STAGING_CMDS
 		bindir="$(STAGING_DIR)/usr/bin" \
 		libdir="$(STAGING_DIR)/usr/lib" \
 		shlibdir="$(STAGING_DIR)/usr/lib" \
-		includedir="$(STAGING_DIR)/usr/share/info/" \
+		infodir="$(STAGING_DIR)/usr/share/info/" \
 		-C $(@D) install
 endef