Codechange: do not declare functions in blocks

src/fileio.cpp

@@ -69,6 +69,8 @@ TarFileList _tar_filelist[NUM_SUBDIRS];
 typedef std::map<std::string, std::string> TarLinkList;
 static TarLinkList _tar_linklist[NUM_SUBDIRS]; ///< List of directory links
 
+extern bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb);
+
 /**
  * Checks whether the given search path is a valid search path
  * @param sp the search path to check
@@ -1154,8 +1156,6 @@ static bool MatchesExtension(const char *extension, const char *filename)
  */
 static uint ScanPath(FileScanner *fs, const char *extension, const char *path, size_t basepath_length, bool recursive)
 {
-	extern bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb);
-
 	uint num = 0;
 	struct stat sb;
 	struct dirent *dirent;