Zap compiler warning.

Modified Files:
	src/Main/options.cxx

diff --git a/src/Main/options.cxx b/src/Main/options.cxx
index d1a03dc7c3eb96730e588592863e11ab2964c87d..3c09df562d6ebff428e80c21b11bcd8ba2fd93f3 100644 (file)
--- a/src/Main/options.cxx
+++ b/src/Main/options.cxx
@@ -107,7 +107,7 @@ void
 fgSetDefaults ()
 {
     // set a possibly independent location for scenery data
-    char *envp = ::getenv( "FG_SCENERY" );
+    const char *envp = ::getenv( "FG_SCENERY" );
 
     if ( envp != NULL ) {
        // fg_root could be anywhere, so default to environmental