Fix build failure I introduced in r11408, duh.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11410 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/valgrind.h b/include/valgrind.h
index 85e40a8..61f8803 100644
--- a/include/valgrind.h
+++ b/include/valgrind.h
@@ -204,7 +204,7 @@
 
 /* ------------------------- x86-{linux,darwin} ---------------- */
 
-#if defined(PLAT_x86_linux)  ||  defined(PLAT_x86_darwin)  
+#if defined(PLAT_x86_linux)  ||  defined(PLAT_x86_darwin)  \
     ||  (defined(PLAT_x86_win32) && defined(__GNUC__))
 
 typedef