Update ICU to 58.3

- This adds the new Japanese ascension era (Reiwa)
- This updates timezone data to 2019a
- Updated script for git instead of SVN
- Regenerated locale data

intl/icu/source/common/common.vcxproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">

intl/icu/source/common/common.vcxproj.filters

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <Filter Include="bidi">

intl/icu/source/common/umutex.h

@@ -86,9 +86,7 @@ U_NAMESPACE_END
 //                Original plan was to use gcc atomics for MinGW, but they
 //                aren't supported, so we fold MinGW into this path.
 
-# ifndef WIN32_LEAN_AND_MEAN
 # define WIN32_LEAN_AND_MEAN
-# endif
 # define VC_EXTRALEAN
 # define NOUSER
 # define NOSERVICE
@@ -333,9 +331,7 @@ U_NAMESPACE_END
  *         win32 APIs for Critical Sections.
  */
 
-# ifndef WIN32_LEAN_AND_MEAN
 # define WIN32_LEAN_AND_MEAN
-# endif
 # define VC_EXTRALEAN
 # define NOUSER
 # define NOSERVICE

intl/icu/source/common/unicode/uvernum.h

@@ -64,7 +64,7 @@
  *  This value will change in the subsequent releases of ICU
  *  @stable ICU 2.6
  */
-#define U_ICU_VERSION_MINOR_NUM 2
+#define U_ICU_VERSION_MINOR_NUM 3
 
 /** The current ICU patchlevel version as an integer.
  *  This value will change in the subsequent releases of ICU
@@ -119,7 +119,7 @@
  *  This value will change in the subsequent releases of ICU
  *  @stable ICU 2.4
  */
-#define U_ICU_VERSION "58.2"
+#define U_ICU_VERSION "58.3"
 
 /** The current ICU library major/minor version as a string without dots, for library name suffixes.
  *  This value will change in the subsequent releases of ICU
@@ -131,7 +131,7 @@
 /** Data version in ICU4C.
  * @internal ICU 4.4 Internal Use Only
  **/
-#define U_ICU_DATA_VERSION "58.2"
+#define U_ICU_DATA_VERSION "58.3"
 #endif  /* U_HIDE_INTERNAL_API */
 
 /*===========================================================================

intl/icu/source/common/wintz.c

@@ -216,6 +216,8 @@ static LONG getTZKeyName(char* tzKeyName, int32_t length) {
              &cbData);
     }
 
+    RegCloseKey(hkey);
+
     return result;
 }