Add include directory to let out-of-tree builds reach the lib folder

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@512750 13f79535-47bb-0310-9956-ffa450edef68

src/Makefile.am

@@ -22,6 +22,10 @@
 DEFS += -DXERCES_BUILDING_LIBRARY
 SUBDIRS = 
 
+# the  -I${top_srcdir} is needed to pick the lib/stricmp.h 
+# header file when doing out-of-tree builds
+AM_CPPFLAGS =						 -I${top_srcdir}
+
 #
 # Specify the convenience libraries for various xerces components
 # These are used only during the build process and are not themselves installed