patch 9.0.0011: reading beyond the end of the line with put command

Problem:    Reading beyond the end of the line with put command.
Solution:   Adjust the end mark position.

src/register.c

@@ -1918,6 +1918,8 @@ do_put(
 		    vim_memset(ptr, ' ', (size_t)spaces);
 		    ptr += spaces;
 		}
+		else
+		    totlen -= spaces;  // didn't use these spaces
 	    }
 
 	    // may insert some spaces after the new text

src/testdir/test_put.vim

@@ -219,5 +219,17 @@ func Test_put_empty_register()
   bwipe!
 endfunc
 
+" this was putting the end mark after the end of the line
+func Test_put_visual_mode()
+  edit! SomeNewBuffer
+  set selection=exclusive
+  exe "norm o\t"
+  m0
+  sil! norm 
+p
+p
+
+  bwipe!
+  set selection&
 endfunc
 

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    11,
 /**/
     10,
 /**/