Use utf8 encoding for national characters in test databases.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 8c433b92cb)

examples/SQL/testdb_mysql.sql

@@ -52,6 +52,6 @@ insert into prices (id, name, price) values
             (5, "Tux, der Pinguin", 65.35),
             (6, "Makroskop", 985000.0),
             (7, "Regenbaum", 1235.65),
-            (8, "Bluterguß", 23.95),
+            (8, "Bluterguss", 23.95),
             (9, "Weltmeisterschaft", 2.95),
             (10, "Premiere Dekoder", -185.75);

examples/SQL/testdb_pg.sql

@@ -185,7 +185,7 @@ COPY "prices" FROM stdin;
 5	Tux, der Pinguin                        	65.35
 6	Makroskop                               	985000
 7	Regenbaum                               	1235.65
-8	Bluterguß                               	23.95
+8	Bluterguss                              	23.95
 9	Weltmeisterschaft                       	2.95
 10	Premiere Dekoder                        	-185.75
 \.