Updated SWH plugins and added missing hermes_filter plugin

There were minor updates in SWH Git repository. Incorporated bug fixes
and added missing hermes_filter plugin.

plugins/ladspa_effect/swh/CMakeLists.txt

@@ -51,6 +51,10 @@ ADD_LIBRARY(gverb STATIC gverb/gverb.c gverb/gverbdsp.c)
 SET_TARGET_PROPERTIES(gverb PROPERTIES COMPILE_FLAGS "-fPIC")
 TARGET_LINK_LIBRARIES(gverb_1216 gverb)
 
+ADD_LIBRARY(blo STATIC util/blo.c)
+SET_TARGET_PROPERTIES(blo PROPERTIES COMPILE_FLAGS "-fPIC")
+TARGET_LINK_LIBRARIES(hermes_filter_1200 blo)
+
 ADD_LIBRARY(rms STATIC util/rms.c)
 ADD_LIBRARY(db STATIC util/db.c)
 SET_TARGET_PROPERTIES(rms PROPERTIES COMPILE_FLAGS "-fPIC")

plugins/ladspa_effect/swh/gsm/COPYRIGHT

@@ -0,0 +1,16 @@
+Copyright 1992, 1993, 1994 by Jutta Degener and Carsten Bormann,
+Technische Universitaet Berlin
+
+Any use of this software is permitted provided that this notice is not
+removed and that neither the authors nor the Technische Universitaet Berlin
+are deemed to have made any representations as to the suitability of this
+software for any purpose nor are held responsible for any defects of
+this software.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+
+As a matter of courtesy, the authors request to be informed about uses
+this software has found, about bugs in this software, and about any
+improvements that may be of general interest.
+
+Berlin, 28.11.1994
+Jutta Degener
+Carsten Bormann