refactor to prevent unused variable warnings from the c compiler in cDirectory.c for unix

Libraries/Directory/Clean System Files Unix/cDirectory.c

@@ -60,8 +60,6 @@ static int unix_error_to_clean_error(int errCode)
 
 static int openSearch(const char *path, int length)
 {
-    int     i;
-    
     gPathLength = length;
     gPath   = (char*) malloc(gPathLength+NAME_MAX+2);
     if (!gPath) {
@@ -184,7 +182,7 @@ void closeSearchC()
 
 int findSingleFileC(CleanString cs_path)
 {
-    int err,i,length;
+    int i,length;
     char *path_chars;
     
     gFileStat.st_size   = 0;