Bug 1314316 - Restore use of ceilf method instead of roundf. r=jesup

MozReview-Commit-ID: 5Wv5dqSy3B8

--HG--
extra : rebase_source : 23e09c1e37fc70626d8ef4178b7342117ddfc92f

media/libcubeb/README_MOZILLA

@@ -5,4 +5,4 @@ Makefile.in build files for the Mozilla build system.
 
 The cubeb git repository is: git://github.com/kinetiknz/cubeb.git
 
-The git commit ID used was 9eacd3144b62ce2356c66c3260c9bc4151274192.
+The git commit ID used was 352c0bed012a770ef65aee1e507704922ea80b0e.

media/libcubeb/src/cubeb_resampler_internal.h

@@ -263,8 +263,8 @@ public:
    * number of output frames will be exactly equal. */
   uint32_t input_needed_for_output(uint32_t output_frame_count)
   {
-    return (uint32_t)roundf((output_frame_count - samples_to_frames(resampling_out_buffer.length()))
-                          * resampling_ratio);
+    return (uint32_t)ceilf((output_frame_count - samples_to_frames(resampling_out_buffer.length()))
+                           * resampling_ratio);
 
   }