Define empty os_name in else conditional

diff --git a/xmake.c b/xmake.c
index 8278eeacf4ac1d8cdf98def8aa0834c2030bebb8..4294af6dab911f08a28d2ed6e2d4d7bf4e136c29 100644 (file)
--- a/xmake.c
+++ b/xmake.c
@@ -23,20 +23,20 @@ struct variable *default_goal_var = 0;
 struct xmake_state *state = 0;
 const char *program_name = 0;
 
-const char *os_name = "";
-
 #if     defined (__PDOS__)
-os_name = "PDOS";
+const char *os_name = "PDOS";
 #elif   defined (_WIN32) || defined (__WIN32__)
-os_name = "Windows_NT";
+const char *os_name = "Windows_NT";
 #elif   defined (__MSDOS__)
-os_name = "MSDOS";
+const char *os_name = "MSDOS";
 #elif   defined (__APPLE__)
-os_name = "Apple";
+const char *os_name = "Apple";
 #elif   defined (__linux__)
-os_name = "Linux";
+const char *os_name = "Linux";
 #elif   defined (unix) || defined (__unix) || defined (__unix__)
-os_name = "Unix";
+const char *os_name = "Unix";
+#else
+const char *os_name = "";
 #endif
 
 struct linebuf {