translation(hy): renamed am.po -> hy.po for armenian lang translations

According to ISO-639, the correct 2 letter language code is HY not AM,
so let's rename am.po.

Also, add hy.po to the CHECKFILES Make target and convert the file to
Unix lineformat.

closes: #17380

Signed-off-by: Gagik Hakobyan <hakgagik@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/po/Make_all.mak

@@ -4,7 +4,6 @@
 
 LANGUAGES = \
 		af \
-		am \
 		ca \
 		cs \
 		cs.cp1250 \
@@ -17,6 +16,7 @@ LANGUAGES = \
 		fr \
 		ga \
 		hu \
+		hy \
 		it \
 		ja \
 		ja.euc-jp \
@@ -50,7 +50,6 @@ LANGUAGES = \
 
 POFILES = \
 		af.po \
-		am.po \
 		ca.po \
 		cs.po \
 		cs.cp1250.po \
@@ -63,6 +62,7 @@ POFILES = \
 		fr.po \
 		ga.po \
 		hu.po \
+		hy.po \
 		it.po \
 		ja.po \
 		ja.euc-jp.po \
@@ -96,7 +96,6 @@ POFILES = \
 
 MOFILES = \
 		af.mo \
-		am.mo \
 		ca.mo \
 		cs.mo \
 		da.mo \
@@ -108,6 +107,7 @@ MOFILES = \
 		fr.mo \
 		ga.mo \
 		hu.mo \
+		hy.mo \
 		it.mo \
 		ja.mo \
 		ko.UTF-8.mo \
@@ -157,6 +157,7 @@ CHECKFILES = \
 		fr.ck \
 		ga.ck \
 		hu.ck \
+		hy.ck \
 		it.ck \
 		ja.ck \
 		ja.euc-jp.ck \