ntdll: Fix a string leak in init_user_process_params (Valgrind).

Signed-off-by: Sven Baars <sbaars@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/ntdll/env.c

@@ -1471,6 +1471,7 @@ void init_user_process_params( SIZE_T data_size )
 
         params->Environment = env;
         NtCurrentTeb()->Peb->ProcessParameters = params;
+        RtlFreeUnicodeString( &initial_params.ImagePathName );
         RtlFreeUnicodeString( &cmdline );
         RtlReleasePath( load_path );