Mark main() public to silence a warning on HP-UX.

common/regress/sudo_conf/conf_test.c

@@ -46,6 +46,8 @@
 
 static void sudo_conf_dump(void);
 
+__dso_public int main(int argc, char *argv[]);
+
 /*
  * Simple test driver for sudo_conf().
  * Parses the given configuration file and dumps the resulting

common/regress/sudo_parseln/parseln_test.c

@@ -44,6 +44,8 @@
 #include "missing.h"
 #include "fileops.h"
 
+__dso_public int main(int argc, char *argv[]);
+
 /*
  * Simple test driver for sudo_parseln().
  * Behaves similarly to "cat -n" but with comment removal