lib/src: adding --# -coding=latin1 to 119 RGL modules

Adding coding pragmas
  
	--# -coding=latin1
  
so that grammars will continue to work when we change the default character
encoding to UTF-8.

src/dutch/ExtraDut.gf

@@ -1,3 +1,4 @@
+--# -coding=latin1
 concrete ExtraDut of ExtraDutAbs = CatDut ** 
   open ResDut, MorphoDut, Coordination, Prelude, IrregDut in 
 {

src/dutch/LexiconDut.gf

@@ -1,4 +1,5 @@
 --# -path=.:../common:../abstract:../../prelude
+--# -coding=latin1
 
 -- work by Aarne Ranta
 

src/dutch/MorphoDut.gf

@@ -1,4 +1,5 @@
 --# -path=.:../common:../../prelude
+--# -coding=latin1
 --
 ----1 A Simple Dutman Resource Morphology
 ----

src/dutch/NumeralDut.gf

@@ -1,3 +1,4 @@
+--# -coding=latin1
 concrete NumeralDut of Numeral = CatDut [Numeral,Digits] ** open ResDut, Prelude in {
 
 flags optimize = all_subs ;

src/dutch/ResDut.gf

@@ -1,4 +1,5 @@
 --# -path=.:../abstract:../common
+--# -coding=latin1
 
 --1 Dutch auxiliary operations.
 --