Code spell typo fix

Change-Id: I85d799ab664fe4af3cff32a89c2f7f0c635275f3
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/bin/gen_setup.sh b/bin/gen_setup.sh
index 752bc44..2aed0ea 100755
--- a/bin/gen_setup.sh
+++ b/bin/gen_setup.sh
@@ -32,7 +32,7 @@
 
   # The program name is the program path minus all characters up to and including the first slash.
   local _spn_loc_program_name_=${_spn_loc_program_path_##*/}
-  # The program dir path is the program path minus everythin from the last slash to the end of the string.
+  # The program dir path is the program path minus everything from the last slash to the end of the string.
   local _spn_loc_program_dir_path_=${_spn_loc_program_path_%${_spn_loc_program_name_}}
 
   # If program dir path does not start with a slash then it is relative.  Convert it to absolute.