Excise md_putchar().

The function wrapped the standard putchar(), doing nothing beside
discarding the return value.  That could cause problems with tputs(),
which expects an int to be returned.

srogue/mdport.c

@@ -278,12 +278,6 @@ md_hasclreol(void)
 #endif
 }
 
-void
-md_putchar(int c)
-{
-    putchar(c);
-}
-
 #ifdef _WIN32
 static int md_standout_mode = 0;
 #endif
@@ -306,7 +300,7 @@ md_raw_standout(void)
         md_standout_mode = 1;
     }
 #elif defined(SO)
-    tputs(SO,0,md_putchar);
+    tputs(SO,0,putchar);
     fflush(stdout);
 #endif
 }
@@ -329,7 +323,7 @@ md_raw_standend(void)
         md_standout_mode = 0;
     }
 #elif defined(SE)
-    tputs(SE,0,md_putchar);
+    tputs(SE,0,putchar);
     fflush(stdout);
 #endif
 }