Fix arm simulator build - arm flags must be a list when compiling for arm when...

Fix arm simulator build - arm flags must be a list when compiling for arm when the ARM_TARGET_LIB is not set.
Review URL: http://codereview.chromium.org/1658006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4438 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

SConstruct

@@ -52,7 +52,7 @@ if ARM_TARGET_LIB:
                     '-Wl,--dynamic-linker=' + ARM_TARGET_LIB +
                     '/lib/ld-linux.so.3']
 else:
-  ARM_LINK_FLAGS = ""
+  ARM_LINK_FLAGS = []
 
 # TODO: Sort these issues out properly but as a temporary solution for gcc 4.4
 # on linux we need these compiler flags to avoid crashes in the v8 test suite