fixup! [lldb][windows] print an error if python.dll is not in the DLL search path

Author: charles-zablit

lldb/tools/driver/Driver.cpp

@@ -495,13 +495,18 @@ bool IsPythonDLLInPath() {
 
 void SetupPythonRuntimeLibrary() {
 #ifdef LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME
-  if (!IsPythonDLLInPath())
+  if (IsPythonDLLInPath())
+    return;
 #ifdef LLDB_PYTHON_DLL_RELATIVE_PATH
-    if (AddPythonDLLToSearchPath())
-      return
+  if (AddPythonDLLToSearchPath())
+    return
 #endif
-          llvm::errs() << "error: unable to find "
-                       << LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME << ".\n";
+        llvm::errs() << "error: unable to find "
+                     << LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME << ".\n";
+  return;
+#elifdef LLDB_PYTHON_DLL_RELATIVE_PATH
+  if (!AddPythonDLLToSearchPath())
+    llvm::errs() << "error: unable to find the Python runtime library.\n";
 #endif
 }
 #endif