[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

library/include/DebugManager.h

@@ -96,9 +96,9 @@ class DFHACK_EXPORT DebugManager : public std::vector<DebugCategory*> {
 
     //! Get the singleton object
     static DebugManager& getInstance() {
-	// Plugins may still hold pointers to DebugManager's instance during shutdown.
-	// If DebugManager's dtor runs first, use-after-free may ensue.
-	// Intentionally leak to avoid this issue.
+    // Plugins may still hold pointers to DebugManager's instance during shutdown.
+    // If DebugManager's dtor runs first, use-after-free may ensue.
+    // Intentionally leak to avoid this issue.
         static DebugManager* instance = new DebugManager();
         return *instance;
     }