Move to Xapian 1.4.5

dependencies.py

@@ -110,12 +110,11 @@ class UUID(Dependency):
 
 class Xapian(Dependency):
     name = "xapian-core"
-    version = "1.4.2"
+    version = "1.4.5"
 
     class Source(ReleaseDownload):
-        archive = Remotefile('xapian-core-1.4.2.tar.xz',
-                             'aec2c4352998127a2f2316218bf70f48cef0a466a87af3939f5f547c5246e1ce')
-        patches = ["xapian_pkgconfig.patch"]
+        archive = Remotefile('xapian-core-1.4.5.tar.xz',
+                             '85b5f952de9df925fd13e00f6e82484162fd506d38745613a50b0a2064c6b02b')
 
     class Builder(MakeBuilder):
         configure_option = "--disable-sse --disable-backend-inmemory --disable-documentation"

patches/xapian_pkgconfig.patch

@@ -1,9 +0,0 @@
-diff -ur xapian-core-1.4.0/pkgconfig/xapian-core.pc.in xapian-core-1.4.0-patched/pkgconfig/xapian-core.pc.in
---- xapian-core-1.4.0/pkgconfig/xapian-core.pc.in	2016-06-25 17:36:49.000000000 +0200
-+++ xapian-core-1.4.0-patched/pkgconfig/xapian-core.pc.in	2017-02-22 17:09:12.488793901 +0100
-@@ -11,4 +11,5 @@
- URL: https://xapian.org/
- Version: @VERSION@
- Cflags: -I${includedir} @abi_affecting_cxxflags@
- Libs: @ldflags@ -L${libdir} -lxapian@LIBRARY_VERSION_SUFFIX@
-+Libs.private: @XAPIAN_LIBS@