kernel32: Fix a memory leak (1 of 2)

[Andrew Talbot]

Changelog:
    kernel32: Fix a memory leak.

diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c
index a08235a..83623f1 100644
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -661,6 +661,7 @@ static void init_current_directory( CURD
             RtlInitUnicodeString( &dir_str, dirW );
             RtlSetCurrentDirectory_U( &dir_str );
             RtlFreeUnicodeString( &dir_str );
+            HeapFree( GetProcessHeap(), 0, dirW );
         }
     }