Kernel: Inline Inode::fsid()

Author: https://github.com/bugaevc
Commit: 9cbdd5f01e
Pull-request: https://github.com/SerenityOS/serenity/pull/2288
Reviewed-by: https://github.com/awesomekling

Kernel/FileSystem/Inode.h

@@ -54,7 +54,7 @@ public:
 
     FS& fs() { return m_fs; }
     const FS& fs() const { return m_fs; }
-    unsigned fsid() const;
+    unsigned fsid() const { return m_fs.fsid(); }
     unsigned index() const { return m_index; }
 
     size_t size() const { return metadata().size; }