libmapper: format code using c++ clang-format

Remove libmapper/.clang-fromat and format code using c++ clang-format

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: I62781743b03fa1e806f51f4844c93aaf4cdfac4f
diff --git a/libmapper/test/utils.c b/libmapper/test/utils.c
index b3c7ae1..67f3eab 100644
--- a/libmapper/test/utils.c
+++ b/libmapper/test/utils.c
@@ -9,13 +9,17 @@
     size_t i;
     char** ret = calloc(len + 1, sizeof(*ret));
     if (!ret)
+    {
         return NULL;
+    }
 
     for (i = 0; i < len; ++i)
     {
         ret[i] = strdup(testString);
         if (!ret[i])
+        {
             goto error;
+        }
     }
 
     return ret;