patch 8.2.3038: Amiga built-in version string doesn't include build date

Problem:    Amiga built-in version string doesn't include build date.
Solution:   Add the build date if available. (Ola Söder, closes #8437)
diff --git a/src/os_amiga.c b/src/os_amiga.c
index 91c13e7..c36206c 100644
--- a/src/os_amiga.c
+++ b/src/os_amiga.c
@@ -116,6 +116,9 @@
 # ifdef PATCHLEVEL
     "." PATCHLEVEL
 # endif
+# ifdef BUILDDATE
+    " (" BUILDDATE ")"
+# endif
     ;
 #endif
 
diff --git a/src/version.c b/src/version.c
index 4ae8846..4d89fc2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3038,
+/**/
     3037,
 /**/
     3036,