Fix missing include from freeswitch/spandsp#59

Author: xrobau

patches/spandsp/002-fix-missing-include.patch

@@ -0,0 +1,12 @@
+See https://github.com/freeswitch/spandsp/pull/59
+
+--- spandsp-3.0.0.orig/src/Makefile.am
++++ spandsp-3.0.0/src/Makefile.am
+@@ -361,6 +361,7 @@ nobase_include_HEADERS = spandsp/ademco_
+                          spandsp/private/v42.h \
+                          spandsp/private/v42bis.h \
+                          spandsp/private/v8.h \
++                         spandsp/private/v80.h \
+                          spandsp/expose.h
+ 
+ nodist_include_HEADERS = spandsp.h