Bug 1322331 - Add Windows 10 detection to the installer. r=mhowell

toolkit/mozapps/installer/windows/nsis/common.nsh

@@ -6128,8 +6128,10 @@
         ${LogMsg} "OS Name    : Windows 8"
       ${ElseIf} ${IsWin8.1}
         ${LogMsg} "OS Name    : Windows 8.1"
-      ${ElseIf} ${AtLeastWin8.1}
-        ${LogMsg} "OS Name    : Above Windows 8.1"
+      ${ElseIf} ${IsWin10}
+        ${LogMsg} "OS Name    : Windows 10"
+      ${ElseIf} ${AtLeastWin10}
+        ${LogMsg} "OS Name    : Above Windows 10"
       ${Else}
         ${LogMsg} "OS Name    : Unable to detect"
       ${EndIf}

toolkit/mozapps/installer/windows/nsis/overrides.nsh

@@ -48,6 +48,11 @@
   !insertmacro __MOZ__WinVer_DefineOSTests 2012R2
 !endif
 
+!ifndef WINVER_10
+  !define WINVER_10        0x0A000000 ;10.0.10240
+  !insertmacro __MOZ__WinVer_DefineOSTests 10
+!endif
+
 !verbose push
 !verbose 3
 !ifndef _OVERRIDE_VERBOSE