Avoid bogus messages from rpmlint about badfuncs

The code handles both IPv4 and IPv6, but those functions are used only
in IPv4-only code paths, where it does not limit anything.

rpminspect.yaml

@@ -0,0 +1,28 @@
+---
+badfuncs:
+    # Shared function names prohibited from executables and libraries.
+    # The function names listed here are generally ones provided by
+    # the system, but are deprecated in favor of more modern
+    # alternatives.  As a rule we do not want to make use of those but
+    # only provide them to users for backwards compatibility.
+
+    # This is an array of forbidden function names.
+    - gethostbyname
+    - gethostbyname2
+    - gethostbyaddr
+    - inet_aton
+    - inet_nsap_addr
+    - inet_nsap_ntoa
+    - inet_makeaddr
+    - inet_netof
+    - inet_network
+    - inet_neta
+    - inet_net_ntop
+    - inet_net_pton
+    - rcmd
+    - rexec
+    - rresvport
+    # Those functions are used in IPv4-only handling functions in dnsmasq.
+    # It handles also IPv6, but in different code paths with different calls.
+    #- inet_addr
+    #- inet_ntoa