[atomics.syn] Replace comma with period

jwakely · zygoloid · commit 013e01f0ed9a · 2014-08-26T15:33:14.000-07:00
Reported by Stephan T. Lavavej. Fixes cplusplus#340
diff --git a/source/atomics.tex b/source/atomics.tex
@@ -81,7 +81,7 @@
   bool atomic_compare_exchange_strong(@\textit{atomic-type}@*, T*, T) noexcept;
   bool atomic_compare_exchange_weak_explicit(volatile @\textit{atomic-type}@*, T*, T, 
     memory_order, memory_order) noexcept;
-  bool atomic_compare_exchange_weak_explicit(@\textit{atomic-type}@*, T*, T.
+  bool atomic_compare_exchange_weak_explicit(@\textit{atomic-type}@*, T*, T,
     memory_order, memory_order) noexcept;
   bool atomic_compare_exchange_strong_explicit(volatile @\textit{atomic-type}@*, T*, T,
     memory_order, memory_order) noexcept;
