* putenv wants a non-const char *

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22006 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/support/environment.cpp b/src/support/environment.cpp
index d766bd583ef89ce5b91a8558371fc6326e3e1830..477dbf6848ed5b56f926e7ab25a8c1461eab19a8 100644 (file)
--- a/src/support/environment.cpp
+++ b/src/support/environment.cpp
@@ -68,7 +68,7 @@ bool setEnv(string const & name, string const & value)
 #elif defined (HAVE_PUTENV)
        static std::map<string, string> varmap;
        varmap[name] = name + '=' + encoded;
-       return ::putenv(varmap[name].c_str()) == 0;
+       return ::putenv(const_cast<char*>(varmap[name].c_str())) == 0;
 #else
 #error No environment-setting function has been defined.
 #endif