pkgconfig_10.14.diff

diff --git a/Library/Homebrew/os/mac/pkgconfig/10.14/libxml-2.0.pc b/Library/Homebrew/os/mac/pkgconfig/10.14/libxml-2.0.pc
index c297c6b45..7a037a9cf 100644
--- a/Library/Homebrew/os/mac/pkgconfig/10.14/libxml-2.0.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/10.14/libxml-2.0.pc
@@ -1,7 +1,8 @@
 prefix=/usr
+xcode_prefix=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk${prefix}
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
-includedir=${prefix}/include
+includedir=${xcode_prefix}/include
 modules=1
 
 Name: libXML