alpha: move exports to actual definitions

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/alpha/lib/strcat.S b/arch/alpha/lib/strcat.S
index 393f503..249837b 100644
--- a/arch/alpha/lib/strcat.S
+++ b/arch/alpha/lib/strcat.S
@@ -4,6 +4,7 @@
  *
  * Append a null-terminated string from SRC to DST.
  */
+#include <asm/export.h>
 
 	.text
 
@@ -50,3 +51,4 @@
 	br	__stxcpy
 
 	.end strcat
+EXPORT_SYMBOL(strcat);