patch 9.0.0261: bufload() reads a file even if the name is not a file name

Problem:    bufload() reads a file even if the name is not a file name. (Cyker
            Way)
Solution:   Do not read the file when the buffer name is not a file name.
            (closes #10975)
diff --git a/src/buffer.c b/src/buffer.c
index fba6c21..cfed0f3 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -220,7 +220,10 @@
     // mark cursor position as being invalid
     curwin->w_valid = 0;
 
+    // Read the file if there is one.
     if (curbuf->b_ffname != NULL
+	    && !bt_quickfix(curbuf)
+	    && !bt_nofilename(curbuf)
 #ifdef FEAT_NETBEANS_INTG
 	    && netbeansReadFile
 #endif