patch 9.0.0588: MorphOS build is broken

Problem:    MorphOS build is broken.
Solution:   Add "-lm" to LDFLAGS and "-noixemul" to CFLAGS. (Ola Söder,
            closes #11222)

src/Make_ami.mak

@@ -68,7 +68,8 @@ ifeq ($(UNM),AROS)
 LDFLAGS = -DHAVE_FSYNC -ldebug
 else
 ifeq ($(UNM),MorphOS)
-LDFLAGS = -ldebug -noixemul
+CFLAGS += -noixemul
+LDFLAGS = -ldebug -lm -noixemul
 endif
 endif
 endif

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    588,
 /**/
     587,
 /**/