C++: Fix formatting

Author: MathiasVP

cpp/ql/src/Likely Bugs/Underspecified Functions/ImplicitFunctionDeclaration.ql

@@ -45,4 +45,4 @@ where
   not mistypedFunctionArguments(fc, _, _) and
   not tooFewArguments(fc, _) and
   not tooManyArguments(fc, _)
-select fc, "Function call implicitly declares '" + fdeIm.getName() + "'."
+select fc, "Function call implicitly declares '" + fdeIm.getName() + "'."