Comment spelling fixes

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doxyfile

@@ -842,7 +842,7 @@ VERBATIM_HEADERS       = YES
 # If CLANG_ASSISTED_PARSING is set to YES, then doxygen will use the clang parser
 # for more acurate parsing at the cost of reduced performance. This can be
 # particularly helpful with template rich C++ code for which doxygen's built-in
-# parser lacks the necessairy type information.
+# parser lacks the necessary type information.
 
 CLANG_ASSISTED_PARSING = NO
 

lib/checkexceptionsafety.cpp

@@ -52,7 +52,7 @@ void CheckExceptionSafety::destructors()
                         tok = tok->next()->link();
                     }
 
-                    // Skip uncaught execptions
+                    // Skip uncaught exceptions
                     else if (Token::simpleMatch(tok, "if ( ! std :: uncaught_exception ( ) ) {")) {
                         tok = tok->next()->link(); // end of if ( ... )
                         tok = tok->next()->link(); // end of { ... }

lib/checkother.cpp

@@ -2794,7 +2794,7 @@ void CheckOther::checkFuncArgNamesDifferent()
         if (!function || function->argCount() == 0)
             continue;
 
-        // only check functions with seperate declarations and definitions
+        // only check functions with separate declarations and definitions
         if (function->argDef == function->arg)
             continue;