Fix typo in bitbuffer.h

s/../.

Bug: None
Change-Id: I3e1d73daa9026c99a8316a6730e61bac11d21476
Reviewed-on: https://webrtc-review.googlesource.com/99980
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24710}
diff --git a/rtc_base/bitbuffer.h b/rtc_base/bitbuffer.h
index 146577a..ba96a12 100644
--- a/rtc_base/bitbuffer.h
+++ b/rtc_base/bitbuffer.h
@@ -43,7 +43,7 @@
   bool ReadUInt32(uint32_t* val);
 
   // Reads bit-sized values from the buffer. Returns false if there isn't enough
-  // data left for the specified bit count..
+  // data left for the specified bit count.
   bool ReadBits(uint32_t* val, size_t bit_count);
 
   // Peeks bit-sized values from the buffer. Returns false if there isn't enough