fix replacement of multiple environment variables (result was not cleared for next...

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37699 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/support/filetools.cpp b/src/support/filetools.cpp
index 78255429d85d02a26f1ded87a3c953e18bf66a14..9b3fd80c49fe742b16ad76c51ae3494103e5ac4e 100644 (file)
--- a/src/support/filetools.cpp
+++ b/src/support/filetools.cpp
@@ -546,9 +546,9 @@ string const replaceEnvironmentPath(string const & path)
 
        static regex envvar_br_re("(.*)" + envvar_br + "(.*)");
        static regex envvar_re("(.*)" + envvar + "(.*)");
-       smatch what;
        string result = path;
        while (1) {
+               smatch what;
                regex_match(result, what, envvar_br_re);
                if (!what[0].matched) {
                        regex_match(result, what, envvar_re);