i18n: avoid parenthesized string as array initializer

The syntax

    static const char ignore_error[] = ("something");

is invalid C.  A parenthesized string is not allowed as an array
initializer.

Some compilers, for example GCC and MSVC, allow this syntax as an
extension, but it is not a portable construct.  tcc does not parse it, for
example.

Remove the parenthesis from the definition of the N_() macro to
fix this.

Signed-off-by: Ramsay Jones <[email protected]>
Acked-by: Jonathan Nieder <[email protected]>
Acked-by: Ævar Arnfjörð Bjarmason <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Ramsay Jones

gettext.h

@@ -35,6 +35,6 @@ const char *Q_(const char *msgid, const char *plu, unsigned long n)
 }
 
 /* Mark msgid for translation but do not translate it. */
-#define N_(msgid) (msgid)
+#define N_(msgid) msgid
 
 #endif