Set include dirs for shared library

Change-Id: Ieb73e8913a0902eea36b43e870337aa06de19a5f
diff --git a/Android.mk b/Android.mk
index f803b5f..337d674 100644
--- a/Android.mk
+++ b/Android.mk
@@ -61,6 +61,7 @@
   LOCAL_SDK_VERSION := 17
 endif
 
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
 LOCAL_WHOLE_STATIC_LIBRARIES = libjpeg-turbo_static
 LOCAL_MODULE := libjpeg-turbo
 include $(BUILD_SHARED_LIBRARY)