Typos found by running "codespell" (#3324)

lib/checkexceptionsafety.cpp

@@ -362,7 +362,7 @@ void CheckExceptionSafety::rethrowNoCurrentException()
 
         // Rethrow can be used in 'exception dispatcher' idiom which is FP in such case
         // https://isocpp.org/wiki/faq/exceptions#throw-without-an-object
-        // We check the beggining of the function with idiom pattern
+        // We check the beginning of the function with idiom pattern
         if (Token::simpleMatch(function->functionScope->bodyStart->next(), "try { throw ; } catch ("))
             continue;
 

lib/forwardanalyzer.cpp

@@ -423,7 +423,7 @@ struct ForwardTraversal {
             }
 
             if (allAnalysis.isModified() || !forkContinue) {
-                // TODO: Dont bail on missing condition
+                // TODO: Don't bail on missing condition
                 if (!condTok)
                     return Break(Analyzer::Terminate::Bail);
                 if (analyzer->isConditional() && stopUpdates())

lib/tokenlist.cpp

@@ -1661,7 +1661,7 @@ void TokenList::validateAst() const
         // Check for endless recursion
         const Token* parent = tok->astParent();
         if (parent) {
-            std::set < const Token* > astTokens; // list of anchestors
+            std::set < const Token* > astTokens; // list of ancestors
             astTokens.insert(tok);
             do {
                 if (safeAstTokens.find(parent) != safeAstTokens.end())

lib/valueflow.cpp

@@ -6422,7 +6422,7 @@ static std::vector<ValueFlow::Value> getInitListSize(const Token* tok,
         bool known = true)
 {
     std::vector<const Token*> args = getArguments(tok);
-    // Strings dont use an init list
+    // Strings don't use an init list
     if (!args.empty() && container->stdStringLike) {
         if (astIsIntegral(args[0], false)) {
             if (args.size() > 1)

lib/valueflow.h

@@ -328,9 +328,9 @@ namespace ValueFlow {
             Object,
             // A member of object points to the lifetime
             SubObject,
-            // Lambda has captured lifetime(similiar to SubObject)
+            // Lambda has captured lifetime(similar to SubObject)
             Lambda,
-            // Iterator points to the lifetime of a container(similiar to Object)
+            // Iterator points to the lifetime of a container(similar to Object)
             Iterator,
             // A pointer that holds the address of the lifetime
             Address

test/testbufferoverrun.cpp

@@ -3527,7 +3527,7 @@ private:
               "}", settings);
         ASSERT_EQUALS("", errout.str());
 
-        // #3124 - multidimension array
+        // #3124 - multidimensional array
         check("int main() {\n"
               "    char b[5][6];\n"
               "    mymemset(b, 0, 5 * 6);\n"