qapi: generate C types for fixed-width integers

(Long line folded using parens:
<http://www.python.org/dev/peps/pep-0008/#maximum-line-length>.)
Signed-off-by: NLaszlo Ersek <lersek@redhat.com>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

scripts/qapi.py

@@ -159,6 +159,10 @@ def c_type(name):
         return 'char *'
     elif name == 'int':
         return 'int64_t'
+    elif (name == 'int8' or name == 'int16' or name == 'int32' or
+          name == 'int64' or name == 'uint8' or name == 'uint16' or
+          name == 'uint32' or name == 'uint64'):
+        return name + '_t'
     elif name == 'bool':
         return 'bool'
     elif name == 'number':