fix spacing

Author: akuhlens

flang-rt/lib/runtime/derived-api.cpp

@@ -142,7 +142,7 @@ bool RTDEF(ExtendsTypeOf)(const Descriptor &a, const Descriptor &mold) {
     // true if and only if the dynamic type of A is an extension type of the
     // dynamic type of MOLD.
     for (const typeInfo::DerivedType *derivedTypeA{GetDerivedType(a)};
-        derivedTypeA; derivedTypeA = derivedTypeA->GetParentType()) {
+         derivedTypeA; derivedTypeA = derivedTypeA->GetParentType()) {
       if (derivedTypeA == derivedTypeMold) {
         return true;
       }