wine.inf: Also create iexplorer.exe in the system directory for registration.

tools/wine.inf.in

@@ -2536,6 +2536,7 @@ HKLM,%CurrentVersion%\Telephony\Country List\998,"SameAreaRule",,"G"
 11,mui,
 11,gecko\plugin,npmshtml.dll
 11,wbem,mofcomp.exe
+11,,iexplore.exe
 11,,winetest.exe,-
 12,,mountmgr.sys,-
 ; registration order matters for these
@@ -2562,6 +2563,7 @@ HKLM,%CurrentVersion%\Telephony\Country List\998,"SameAreaRule",,"G"
 10,,notepad.exe
 10,,regedit.exe
 11,,explorer.exe
+11,,iexplore.exe
 11,,notepad.exe
 11,,winetest.exe,-
 12,,mountmgr.sys