commoncpp2: fix with gcc9

The headers are still public, so revbump, as anything using them
would also fail.

srcpkgs/commoncpp2/patches/ftbfs.patch

@@ -0,0 +1,23 @@
+C++ does not allow specifying default arguments on friend declarations.
+We can simply do this as getline is not otherwise publicly declared.
+
+--- inc/cc++/string.h
++++ inc/cc++/string.h
+@@ -731,7 +731,7 @@ public:
+      * @param delim deliminator to use.
+      * @param size optional size limitor.
+      */
+-    friend __EXPORT std::istream &getline(std::istream &is, String &str, char delim = '\n', size_t size = 0);
++    friend __EXPORT std::istream &getline(std::istream &is, String &str, char delim, size_t size);
+ 
+     /**
+      * Stream the content of our string variable directly to a C++
+@@ -743,7 +743,7 @@ public:
+      * Stream input into our variable.
+      */
+     inline friend std::istream &operator>>(std::istream &is, String &str)
+-        {return getline(is, str);};
++        {return getline(is, str, '\n', 0);};
+ 
+ #ifdef  HAVE_SNPRINTF
+     /**

srcpkgs/commoncpp2/template

@@ -1,12 +1,12 @@
 # Template file for 'commoncpp2'
 pkgname=commoncpp2
 version=1.8.1
-revision=1
+revision=2
 build_style=gnu-configure
 makedepends="libgcc-devel zlib-devel"
 short_desc="GNU Common C++ 2"
 maintainer="David <kalichakra@zoho.com>"
-license="GPL-3"
+license="GPL-3.0-or-later"
 homepage='http://www.gnu.org/software/commoncpp/'
 distfiles="${GNU_SITE}/commoncpp/$pkgname-${version}.tar.gz"
 checksum="53ced4aff74e28a1d8018eb2b4974519028db3c12471ab6dff1c873578c9af4e"