work around problem with gcc-4.0 build on Lion

src/foreign/README

@@ -19,6 +19,9 @@ Local changes:
 
  * Added powerpc .S patches from 2d3fb36420e09304220e
 
+ * In "darwin.S", added ".long 0" after ".LFE3:" to avoid
+   linker problems compiling with gcc-4.0 on Mac OS X 10.7.
+
 ========== libffi_msvc directory =====================================
 
 This directory is synced from the CTypes repository

src/foreign/libffi/src/x86/darwin.S

@@ -327,6 +327,7 @@ _ffi_closure_raw_SYSV:
 	movl	-20(%ebp), %edx
 	jmp	.Lrcls_epilogue
 .LFE3:
+        .long 0
 #endif
 
 .section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5