minor tweaks to the make and install scripts

install.m

@@ -42,8 +42,9 @@
 post_install (d);
 
 % Check if the user has run the make script
-F = dir (inst_dir);
-if (all (arrayfun (@(name) ismember (sprintf ('%s.%s', name{:}, mexext),{F.name}), {'boot', 'smoothmedian'})))
+inst_files = dir (inst_dir);
+if (all (arrayfun (@(name) ismember (sprintf ('%s.%s', name{:}, mexext), ...
+                                 {inst_files.name}), {'boot', 'smoothmedian'})))
   try
     boot (1, 1);
     smoothmedian (1);
@@ -55,9 +56,9 @@
   make_done = false;
 end
 if (~ make_done)
-  warning ('For optimal performance, run the ''make'' command in order to copy or compile the appropriate binaries')
+  warning ('For optimal performance, run the ''make'' command to copy or compile the appropriate binaries')
 end
 
 % Clean up
-clear info isoctave S comment octaverc fid msg inst_dir d
+clear info isoctave S comment octaverc fid msg inst_dir inst_files d make_done
 

make.m

@@ -137,7 +137,7 @@
   end
   fprintf ('If you now execute ''install'', .m files equivalent to the mex files will be used instead. \n')
 else
-  fprintf ('\n''make'' completed successfully. Please now run the ''install'' command. \n')
+  fprintf ('\n''make'' completed successfully. \nPlease now run the ''install'' command if you haven''t done so already. \n')
 end
 
 clear arch arch_idx binary binary_paths comp endian info isoctave maxsize errflag retval