Fix poco-pcre debug link issue

Should fix: https://github.com/Microsoft/vcpkg/issues/302

ports/poco/CONTROL

@@ -1,4 +1,4 @@
 Source: poco
-Version: 1.7.6-1
+Version: 1.7.6-2
 Build-Depends: zlib, pcre, sqlite3, expat
 Description: Modern, powerful open source C++ class libraries for building network and internet-based applications that run on desktop, server, mobile and embedded systems.

ports/poco/find_pcre.patch

@@ -0,0 +1,13 @@
+diff --git a/cmake/FindPCRE.cmake b/cmake/FindPCRE.cmake
+index 03f07df..4da1895 100644
+--- a/cmake/FindPCRE.cmake
++++ b/cmake/FindPCRE.cmake
+@@ -16,7 +16,7 @@ ENDIF (PCRE_INCLUDE_DIRS)
+ 
+ FIND_PATH(PCRE_INCLUDE_DIR pcre.h)
+ 
+-SET(PCRE_NAMES pcre)
++SET(PCRE_NAMES pcred pcre)
+ FIND_LIBRARY(PCRE_LIBRARY NAMES ${PCRE_NAMES} )
+ 
+ # handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if

ports/poco/portfile.cmake

@@ -12,6 +12,7 @@ vcpkg_apply_patches(
     SOURCE_PATH ${SOURCE_PATH}
     PATCHES
 		${CMAKE_CURRENT_LIST_DIR}/config_h.patch
+		${CMAKE_CURRENT_LIST_DIR}/find_pcre.patch
 )
 
 if(VCPKG_LIBRARY_LINKAGE STREQUAL static)