generate-cl-store-tests.py: fix copy and paste error from 68829470

bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87513Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>
Reviewed-by: Mark Janes <mark.a.janes@intel.com>

generated_tests/generate-cl-store-tests.py

@@ -32,7 +32,7 @@ TYPES = ['char', 'uchar', 'short', 'ushort', 'int', 'uint', 'long', 'ulong', 'fl
 VEC_SIZES = ['', '2', '4', '8', '16']
 
 dirName = os.path.join("cl", "store")
-utils.safe_makedirs(dirname)
+utils.safe_makedirs(dirName)
 
 
 def gen_array(size):