[misc] use SHA-256 for signing hash

* Should have done that some time ago, especially in light of
  http://social.technet.microsoft.com/wiki/contents/articles/32288.windows-enforcement-of-authenticode-code-signing-and-timestamping.aspx

_sign.cmd

@@ -1,6 +1,6 @@
 :retry
-@set /p password=Please enter PFX password: 
-@"C:\Program Files (x86)\Windows Kits\8.1\bin\x64\signtool" sign /v /f D:\Secured\akeo\akeo.p12 /p %password% /tr http://timestamp.comodoca.com/rfc3161 %1 %2 %3 %4
+@set /p password=Please enter PFX password:
+@"C:\Program Files (x86)\Windows Kits\8.1\bin\x64\signtool" sign /v /fd SHA256 /f D:\Secured\akeo\akeo.p12 /p %password% /tr http://timestamp.comodoca.com/rfc3161 %1 %2 %3 %4
 @if ERRORLEVEL 1 goto retry
 @set password=
 @exit

src/rufus.rc

@@ -32,7 +32,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
 IDD_DIALOG DIALOGEX 12, 12, 242, 376
 STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
-CAPTION "Rufus 2.7.824"
+CAPTION "Rufus 2.7.825"
 FONT 8, "Segoe UI Symbol", 400, 0, 0x0
 BEGIN
     LTEXT           "Device",IDS_DEVICE_TXT,9,6,200,8
@@ -319,8 +319,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,7,824,0
- PRODUCTVERSION 2,7,824,0
+ FILEVERSION 2,7,825,0
+ PRODUCTVERSION 2,7,825,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -337,13 +337,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "2.7.824"
+            VALUE "FileVersion", "2.7.825"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2016 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "2.7.824"
+            VALUE "ProductVersion", "2.7.825"
         END
     END
     BLOCK "VarFileInfo"