dev-libs/libxlsxwriter: fixes pkg-config file ver

The problem is now fixed in upstream. I added a patch
to apply those changes until a new relese.

Closes: https://bugs.gentoo.org/859745
Signed-off-by: Dex Conner <cantcuckthis@danwin1210.de>

dev-libs/libxlsxwriter/files/libxlsxwriter-1.1.4-fix-pkgconfig-version.patch

@@ -0,0 +1,14 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -202,9 +202,9 @@
+ # Configure pkg-config
+ file(READ "include/xlsxwriter.h" ver)
+ 
+-string(REGEX MATCH "LXW_VERSION .*\"\(.*\)\".*" _ ${ver})
++string(REGEX MATCH "LXW_VERSION \"([^\"]+)\"" _ ${ver})
+ set(VERSION ${CMAKE_MATCH_1})
+-string(REGEX MATCH "LXW_SOVERSION .*\"\(.*\)\".*" _ ${ver})
++string(REGEX MATCH "LXW_SOVERSION \"([^\"]+)\"" _ ${ver})
+ set(SOVERSION ${CMAKE_MATCH_1})
+ set(PREFIX ${CMAKE_INSTALL_PREFIX})
+ 

dev-libs/libxlsxwriter/libxlsxwriter-1.1.4.ebuild

@@ -20,6 +20,10 @@ DEPEND="
 "
 RDEPEND="${DEPEND}"
 
+PATCHES=(
+	"${FILESDIR}"/${P}-fix-pkgconfig-version.patch
+)
+
 src_configure() {
 	DOUBLEFUNCTION=OFF
 	for x in $(plocale_get_locales); do