Debugger: Allow breakpoints inside lambdas.

When the cdbengine is using the codemodel breakpoint correction.

Change-Id: I70efa3119ca36b4ffd658425132f3fdff3d3eecf
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/libs/cplusplus/findcdbbreakpoint.cpp

@@ -128,8 +128,11 @@ bool FindCdbBreakpoint::visit(DoStatementAST *ast)
 
 bool FindCdbBreakpoint::visit(ExpressionStatementAST *ast)
 {
-    if (ast->expression)
-        foundLine(ast->semicolon_token);
+    if (ast->expression) {
+        accept(ast->expression);
+        if (m_breakpointLine == NO_LINE_FOUND)
+            foundLine(ast->semicolon_token);
+    }
     return false;
 }