Fix compilation issue.
Look at https://bugs.gentoo.org/264067
Thanks to Robert Lewis
--- a/upm-0.85/upm.c	2009-04-27 22:48:39.265036979 -0400
+++ b/upm-0.85/upm.c	2009-04-27 22:49:01.724787260 -0400
@@ -2235,21 +2235,21 @@
 ************************************************************/
 
 /* Fast way to read octals */
-unsigned inline moct(char *s) {
+static unsigned inline moct(char *s) {
   unsigned int x=0;
   while (isdigit(*s)) x=x*8+*s++-'0';
   return x;
 }
 
 /* Fast way to read ints */
-unsigned inline mint(char *s) {
+static unsigned inline mint(char *s) {
   unsigned int x=0;
   while (isdigit(*s)) x=x*10+*s++-'0';
   return x;
 }
 
 /* Fast way to read long ints */
-unsigned long long inline mlong(char *s) {
+static unsigned long long inline mlong(char *s) {
   unsigned long long x=0;
   while (isdigit(*s)) x=x*10+*s++-'0';
   return x;