stuplo [TASK]: increase size of sample buffer

src/ts/plot/stuplo.f

@@ -105,7 +105,7 @@ c version
       parameter(creator='1996, 2016 by Thomas Forbriger (IfG Stuttgart)')
 c parameter definitions
       integer maxsamples, maxselect, lu, maxtraces, maxchain, maxstyle
-      parameter(maxsamples=6 000 000)
+      parameter(maxsamples=50 000 000)
       parameter(maxtraces=200)
       parameter(maxselect=200)
       parameter(maxchain=10)