Quash a whole bunch of warnings

llvm-svn: 145624
diff --git a/libcxx/src/condition_variable.cpp b/libcxx/src/condition_variable.cpp
index ca1dca3..b53b836 100644
--- a/libcxx/src/condition_variable.cpp
+++ b/libcxx/src/condition_variable.cpp
@@ -16,8 +16,7 @@
 
 condition_variable::~condition_variable()
 {
-    int e = pthread_cond_destroy(&__cv_);
-//     assert(e == 0);
+    pthread_cond_destroy(&__cv_);
 }
 
 void