Dropped a useless "const" from the definition of poptStrerror.
diff --git a/popt/popt.c b/popt/popt.c
index c389b2e..9e00769 100644
--- a/popt/popt.c
+++ b/popt/popt.c
@@ -1128,7 +1128,7 @@
     /*@=nullderef@*/
 }
 
-const char *const poptStrerror(const int error)
+const char * poptStrerror(const int error)
 {
     switch (error) {
       case POPT_ERROR_NOARG: