Not all shells understand !

In unix-Makefile.tmpl, this construction has been used a few times

	if ! something; then ...

It seems, though, that some shells do not understand !, so these need
to be changed.

Reviewed-by: Rich Salz <rsalz@openssl.org>

Configurations/unix-Makefile.tmpl

@@ -283,10 +283,10 @@ depend:
 	    for d in $(DEPS); do \
 	      if [ -f $$d ]; then cat $$d; fi; \
 	    done ) > Makefile.new; \
-	  if ! cmp Makefile.new Makefile >/dev/null 2>&1; then \
+	  if cmp Makefile.new Makefile >/dev/null 2>&1; then \
-	    mv -f Makefile.new Makefile; \
-	  else \
 	    rm -f Makefile.new; \
+	  else \
+	    mv -f Makefile.new Makefile; \
 	  fi; \
 	fi
 	@: {- output_on() if $disabled{makedepend}; "" -}
@@ -895,10 +895,10 @@ $obj$depext: $deps
 	perl -i -pe 's/^.*\\|//; s/ \\/(\\\\.|[^ ])*//;               #\\
 	             \$\$_ = undef if (/: *\$\$/ || /^(#.*| *)\$\$/); #\\
 	             \$\$_.="\\n" unless !defined(\$\$_) or /\\R\$\$/g;' \$\@.tmp
-	\@if ! cmp \$\@.tmp \$\@ > /dev/null 2> /dev/null; then \\
+	\@if cmp \$\@.tmp \$\@ > /dev/null 2> /dev/null; then \\
-		mv \$\@.tmp \$\@; \\
-	else \\
 		rm -f \$\@.tmp; \\
+	else \\
+		mv \$\@.tmp \$\@; \\
 	fi
 EOF
           $deps = $obj.$depext;
@@ -914,10 +914,10 @@ EOF
 $obj$objext: $deps
 	\$(CC) \$(CFLAGS) $ecflags$incs -MMD -MF $obj$depext.tmp -MT \$\@ -c -o \$\@ $srcs
 	\@touch $obj$depext.tmp
-	\@if ! cmp $obj$depext.tmp $obj$depext > /dev/null 2> /dev/null; then \\
+	\@if cmp $obj$depext.tmp $obj$depext > /dev/null 2> /dev/null; then \\
-		mv $obj$depext.tmp $obj$depext; \\
-	else \\
 		rm -f $obj$depext.tmp; \\
+	else \\
+		mv $obj$depext.tmp $obj$depext; \\
 	fi
 EOF
       }