python-cmd2: upgrade 0.9.19 -> 0.9.21

Signed-off-by: Wang Mingyu <wangmy@cn.fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python-cmd2_0.9.21.bb

@@ -0,0 +1,14 @@
+inherit setuptools
+require python-cmd2.inc
+
+RDEPENDS_${PN} += "\
+    ${PYTHON_PN}-doctest \
+    ${PYTHON_PN}-pyparsing \
+    ${PYTHON_PN}-pyperclip \
+    ${PYTHON_PN}-shell \
+    ${PYTHON_PN}-six \
+    ${PYTHON_PN}-stringold \
+    ${PYTHON_PN}-subprocess \
+    ${PYTHON_PN}-threading \
+    ${PYTHON_PN}-textutils \
+    "