perlasm/x86_64-xlate.pl: fix pair of typo-bugs in the new cfi_directive.

.cfi_{start|end}proc and .cfi_def_cfa were not tracked.
Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2585)

crypto/perlasm/x86_64-xlate.pl

@@ -633,7 +633,7 @@ my %globals;
 	my	$self = {};
 	my	$ret;
 
-	if ($$line =~ s/^\s*\.cfi_(\w+)\s+//) {
+	if ($$line =~ s/^\s*\.cfi_(\w+)\s*//) {
 	    bless $self,$class;
 	    $ret = $self;
 	    undef $self->{value};
@@ -656,7 +656,7 @@ my %globals;
 			&& do {	$cfa_rsp -= 1*eval($$line) if ($cfa_reg eq "%rsp");
 				last;
 			      };
-	    /def_cfa/	&& do {	if ($$line =~ /(%r\w+)\s*,\s*(\.+)/) {
+	    /def_cfa/	&& do {	if ($$line =~ /(%r\w+)\s*,\s*(.+)/) {
 				    $cfa_reg = $1;
 				    $cfa_rsp = -1*eval($2) if ($cfa_reg eq "%rsp");
 				}