clang: Add -Wno-empty-body to libxml and hunspell flags

Only change in hunspell roll: https://chromiumcodereview.appspot.com/9568018

BUG=none
TEST=none
TBR=hans

Review URL: https://chromiumcodereview.appspot.com/9570054

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124609 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -95,7 +95,7 @@ deps = {
     "/trunk/deps/third_party/icu46@122842",
 
   "src/third_party/hunspell":
-   "/trunk/deps/third_party/hunspell@123842",
+   "/trunk/deps/third_party/hunspell@124429",
 
   "src/third_party/hunspell_dictionaries":
     "/trunk/deps/third_party/hunspell_dictionaries@79099",

third_party/libxml/libxml.gyp

@@ -197,10 +197,16 @@
                 'WARNING_CFLAGS': [
                   # libxml passes `const unsigned char*` through `const char*`.
                   '-Wno-pointer-sign',
+                  # pattern.c and uri.c both have an intentional
+                  # `for (...);` / `while(...);` loop. I submitted a patch to
+                  # move the `'` to its own line, but until that's landed
+                  # suppress the warning:
+                  '-Wno-empty-body',
                 ],
               },
               'cflags': [
                 '-Wno-pointer-sign',
+                '-Wno-empty-body',
               ],
             }],
           ],