Allow prebuilt libraries and the associated makefile to be in
different directories.
diff --git a/core/multi_prebuilt.mk b/core/multi_prebuilt.mk
index 707af10..738a88d 100644
--- a/core/multi_prebuilt.mk
+++ b/core/multi_prebuilt.mk
@@ -53,13 +53,13 @@
     $(eval LOCAL_MODULE := $(word 1,$(tw))) \
     $(eval LOCAL_SRC_FILES := $(word 2,$(tw))) \
    , \
-    $(eval LOCAL_MODULE := $(basename $(t))) \
+    $(eval LOCAL_MODULE := $(basename $(notdir $(t)))) \
     $(eval LOCAL_SRC_FILES := $(t)) \
    ) \
   $(if $(6), \
     $(eval LOCAL_BUILT_MODULE_STEM := $(6)) \
    , \
-    $(eval LOCAL_BUILT_MODULE_STEM := $(LOCAL_SRC_FILES)) \
+    $(eval LOCAL_BUILT_MODULE_STEM := $(notdir $(LOCAL_SRC_FILES))) \
    ) \
   $(eval LOCAL_MODULE_SUFFIX := $(suffix $(LOCAL_SRC_FILES))) \
   $(eval include $(BUILD_PREBUILT)) \