Code comments, log strings and some variable spell fixes.

src/OpenThreads/pthreads/PThread.cpp

@@ -229,7 +229,7 @@ private:
     };
 
     //-------------------------------------------------------------------------
-    // Print information related to thread schduling parameters.
+    // Print information related to thread scheduling parameters.
     //
     static void PrintThreadSchedulingInfo(Thread *thread) {
 

src/OpenThreads/pthreads/PThreadCondition.cpp

@@ -158,7 +158,7 @@ int Condition::wait(Mutex *mutex, unsigned long int ms) {
         static_cast<PThreadMutexPrivateData *>(mutex->_prvData);
 
 
-    // wait time is now in ms milliseconds, so need to convert to seconds and nanoseconds for timespec strucuture.
+    // wait time is now in ms milliseconds, so need to convert to seconds and nanoseconds for timespec structure.
     unsigned int sec = ms / 1000;
     unsigned int nsec = (ms % 1000) * 1000000;
 

src/OpenThreads/win32/Win32Thread.cpp

@@ -132,7 +132,7 @@ namespace OpenThreads {
         };
 
         //-------------------------------------------------------------------------
-        // Print information related to thread schduling parameters.
+        // Print information related to thread scheduling parameters.
         //
         static void PrintThreadSchedulingInfo(Thread *thread) {