Non-Functional: Whitespace, comments, replace accidentally deleted comment.

- fixed ParseHelper.cpp newlines (crlf -> lf)
- removed trailing white space in most source files
- fix some spelling issues
- extra blank lines
- tabs to spaces
- replace #include comment about no location

glslang/OSDependent/Windows/ossource.cpp

@@ -77,7 +77,6 @@ OS_TLSIndex OS_AllocTLSIndex()
     return ToGenericTLSIndex(dwIndex);
 }
 
-
 bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
 {
     if (nIndex == OS_INVALID_TLS_INDEX) {