Add incr01.at

tests/Makefile.am

@@ -62,6 +62,7 @@ TESTSUITE_AT = \
  extrac05.at\
  gzip.at\
  incremental.at\
+ incr01.at\
  ignfail.at\
  link01.at\
  listed01.at\

tests/testsuite.at

@@ -83,6 +83,7 @@ m4_include([extrac05.at])
 m4_include([gzip.at])
 
 m4_include([incremental.at])
+m4_include([incr01.at])
 
 m4_include([ignfail.at])