Rollback of previous commit.

string should not be freed once put'd !

stdc.mod/stdc.c

@@ -217,9 +217,7 @@ int putenv_( BBString *str ){
 	char *t=bbTmpUTF8String( str );
 	char *p=(char*)malloc( strlen(t)+1 );
 	strcpy( p,t );
-	int res = putenv( p );
-	free(p);
-	return res;
+	return putenv( p );
 }
 
 BBString *getenv_( BBString *str ){