-m declare local "a" variable in make_sym_lcc.awk/endfile()

src/make_sym_lcc.awk

@@ -245,7 +245,7 @@ function get_end_line()
   }
 }
 
-function endfile(f) {
+function endfile(f,     a) {
 
  n=ip;if(op>n) n=op
  if(n==0) n=1
@@ -378,4 +378,4 @@ function get_text_y(str, x, y, box_minx, box_maxx, box_miny, box_maxy)
     return(y-lwidth-textdist)
   }
   return(y-lab_voffset)
-}
+}