[libdatrie] fix trietool for MSVC runtime

ports/libdatrie/CONTROL

@@ -1,4 +1,4 @@
 Source: libdatrie
-Version: 0.2.10-1
+Version: 0.2.10-2
 Description: implementation of double-array structure for representing trie
 Build-Depends: libiconv

ports/libdatrie/fix-exports.patch

@@ -1,6 +1,6 @@
 diff -Naur ./a/libdatrie.def ./b/libdatrie.def
---- a/libdatrie.def	2013-10-17 06:27:57.000000000 +0300
+--- a/datrie/libdatrie.def	2013-10-17 06:27:57.000000000 +0300
-+++ b/libdatrie.def	2017-12-21 02:42:39.873879000 +0300
++++ b/datrie/libdatrie.def	2017-12-21 02:42:39.873879000 +0300
 @@ -1,3 +1,4 @@
 +EXPORTS
  alpha_map_new

ports/libdatrie/fix-trietool.patch

@@ -0,0 +1,31 @@
+From 086a76ad7c17060d504371ea724cf5d651d43eb3 Mon Sep 17 00:00:00 2001
+From: Mikhail Paulyshka <me@mixaill.tk>
+Date: Thu, 28 Dec 2017 16:07:51 +0300
+Subject: [PATCH] fix trietool for MSVC runtime
+
+---
+ tools/trietool.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/tools/trietool.c b/tools/trietool.c
+index 4cfde2a..7c90905 100644
+--- a/tools/trietool.c
++++ b/tools/trietool.c
+@@ -589,12 +589,12 @@ string_trim (char *s)
+     char   *p;
+ 
+     /* skip leading white spaces */
+-    while (*s && isspace (*s))
++    while (*s && isspace ((unsigned char)*s))
+         ++s;
+ 
+     /* trim trailing white spaces */
+     p = s + strlen (s) - 1;
+-    while (isspace (*p))
++    while (isspace ((unsigned char)*p))
+         --p;
+     *++p = '\0';
+ 
+-- 
+2.14.1.windows.1
+

ports/libdatrie/portfile.cmake

@@ -11,8 +11,10 @@ vcpkg_download_distfile(ARCHIVE
 vcpkg_extract_source_archive(${ARCHIVE})
 
 vcpkg_apply_patches(
-    SOURCE_PATH ${SOURCE_PATH}/datrie
+    SOURCE_PATH ${SOURCE_PATH}
-    PATCHES "${CMAKE_CURRENT_LIST_DIR}/fix-exports.patch"
+    PATCHES 
+        "${CMAKE_CURRENT_LIST_DIR}/fix-exports.patch"
+        "${CMAKE_CURRENT_LIST_DIR}/fix-trietool.patch"
 )
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})