patch 9.1.1805: Amiga: Missing build date in version string

Problem:  Amiga: Missing build date in version string
Solution: Set build date in CFLAGS in Makefile (Ola Söder)

closes: #18418

Signed-off-by: Ola Söder <rolfkopman@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/Make_ami.mak

@@ -71,6 +71,11 @@ ifdef PATCHLEVEL
 CFLAGS += -DPATCHLEVEL=\"$(PATCHLEVEL)\"
 endif
 
+# Build date used for Amiga style version string
+ifdef BUILDDATE
+CFLAGS += -DBUILDDATE=\"$(BUILDDATE)\"
+endif
+
 # Common sources
 SRC += \
 	alloc.c \

src/version.c

@@ -729,6 +729,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1805,
 /**/
     1804,
 /**/