use -O2 instead of -O as gcc barfs on tclExecute on the m68k with -O;

bug report submitted to bug-gcc

lang/tcl80/patches/patch-ab

@@ -1,5 +1,5 @@
 --- Makefile.in.orig	Tue Nov 25 08:31:41 1997
-+++ Makefile.in	Wed Apr 15 19:26:53 1998
++++ Makefile.in	Thu Jun 25 22:41:43 1998
 @@ -55,7 +55,9 @@
  BIN_INSTALL_DIR =	$(INSTALL_ROOT)$(exec_prefix)/bin
  
@@ -11,6 +11,15 @@
  
  # Top-level directory in which to install manual entries:
  MAN_INSTALL_DIR =	$(INSTALL_ROOT)$(prefix)/man
+@@ -73,7 +75,7 @@
+ 
+ # To change the compiler switches, for example to change from -O
+ # to -g, change the following line:
+-CFLAGS = -O
++CFLAGS = -O2
+ 
+ # To disable ANSI-C procedure prototypes reverse the comment characters
+ # on the following lines:
 @@ -133,7 +135,7 @@
  # "install" around;  better to use the install-sh script that comes
  # with the distribution, which is slower but guaranteed to work.