tests: fix -Wcast-qual warnings

Avoid casting string literals to non-const char *.

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/libtest/lib506.c b/tests/libtest/lib506.c
index b8db83cb6..d26252b6f 100644
--- a/tests/libtest/lib506.c
+++ b/tests/libtest/lib506.c
@@ -33,7 +33,7 @@ struct Tdata {
 };
 
 struct userdata {
-  char *text;
+  const char *text;
   int counter;
 };
 
@@ -184,7 +184,7 @@ int test(char *URL)
   int i;
   struct userdata user;
 
-  user.text = (char *)"Pigs in space";
+  user.text = "Pigs in space";
   user.counter = 0;
 
   printf("GLOBAL_INIT\n");