correct doc path according to FHS

sci-libs/ldas-tools-framecpp/Manifest

@@ -28,4 +28,4 @@ EBUILD ldas-tools-framecpp-2.6.2.ebuild 1646 BLAKE2B 431fcfb73e9c6fd06329b428943
 EBUILD ldas-tools-framecpp-2.6.3.ebuild 1646 BLAKE2B 431fcfb73e9c6fd06329b428943580e92cde104e1c5b6c04fc94832fc5d838131d025466cbe582efe024aa323da76d6510458ec4df8f8a74c8ff8937f4882a56 SHA512 e7394065117e9e006be31b1134d9ad19f10678e82272c133517b2a05910f88824220da386f992a8b1a43f0aa8b9f6703efc91484835d690b228089d579a86fa2
 EBUILD ldas-tools-framecpp-2.6.4.ebuild 1646 BLAKE2B 431fcfb73e9c6fd06329b428943580e92cde104e1c5b6c04fc94832fc5d838131d025466cbe582efe024aa323da76d6510458ec4df8f8a74c8ff8937f4882a56 SHA512 e7394065117e9e006be31b1134d9ad19f10678e82272c133517b2a05910f88824220da386f992a8b1a43f0aa8b9f6703efc91484835d690b228089d579a86fa2
 EBUILD ldas-tools-framecpp-2.6.5.ebuild 1646 BLAKE2B 431fcfb73e9c6fd06329b428943580e92cde104e1c5b6c04fc94832fc5d838131d025466cbe582efe024aa323da76d6510458ec4df8f8a74c8ff8937f4882a56 SHA512 e7394065117e9e006be31b1134d9ad19f10678e82272c133517b2a05910f88824220da386f992a8b1a43f0aa8b9f6703efc91484835d690b228089d579a86fa2
-EBUILD ldas-tools-framecpp-2.7.0.ebuild 833 BLAKE2B 215021f9f091ccf2c20cd09045ac42733a83fd010a90ffa75926374b285648be19744c7c6ccb20cf68a461fcd4dbca925d7f0ea0b076cf592d2d22a397731642 SHA512 22e09b2df73269a67b88733cdae61e8bbfd90ca8799407d49f96ecb37f3fce8358df02925c1e52b8eecfd00bce01ffafe845b1c32da2368129aff3b5cd24130c
+EBUILD ldas-tools-framecpp-2.7.0.ebuild 954 BLAKE2B 7842955558e7ef883e641c8f9697bd89412972b572beb18ad6f29ecdde4b0d30e204734ff928d1a16e23473367ed79e419506273a94c3c476faf3ab849bbea95 SHA512 08f5ca0d44a5826599afa526dd4260ac342eeddf8f910e433b984ff23f84e0d0bec482b5f919c78f0c237cad2aa8659cb975c945d8e64035d22e996763ea4945

sci-libs/ldas-tools-framecpp/ldas-tools-framecpp-2.7.0.ebuild

 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: $
 
 EAPI=6
 LICENSE="GPL-2+"
@@ -32,3 +31,10 @@ src_prepare() {
         cmake-utils_src_prepare
         eapply -p0 "${FILESDIR}/${P}-cmake.patch"
 }
+
+src_configure() {
+        mycmakeargs=(
+		-DCMAKE_INSTALL_DOCDIR=/usr/share/doc/${PF} 
+        )
+        cmake-utils_src_configure
+}