patch 8.0.0527: leftover file from RISC OS

Problem:    RISC OS support was removed long ago, but one file is still
            included.
Solution:   Delete the file. (Thomas Dziedzic, closes #1603)
diff --git a/src/version.c b/src/version.c
index 436b2a1..71b0410 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    527,
+/**/
     526,
 /**/
     525,