Upgrade libxml2 and its portage dependencies

dev-libs/libxml2/Manifest

Index: dev-libs/libxml2/Manifest
diff --git a/dev-libs/libxml2/Manifest b/dev-libs/libxml2/Manifest
new file mode 100644
index 0000000000000000000000000000000000000000..5cadae7742ba95cfca8fa2c513f83f8fca40cc4e
--- /dev/null
+++ b/dev-libs/libxml2/Manifest
@@ -0,0 +1,15 @@
+AUX libxml2-2.7.1-catalog_path.patch 2209 RMD160 0306a8611cde6a7b78f5fd43c93ebbfddc6607e7 SHA1 bec0ee91757e2fa093c89d6eba1821f40878f002 SHA256 b3343f0611f9cb6e55bf62047a988653e3e9cc50f194b18adbc330b455236290
+AUX libxml2-2.7.2-winnt.patch 2120 RMD160 943293107d0c8313a525c2516f06861c013d9777 SHA1 4e68c44fe1b932c7d61b06bffb4d634701e29e0a SHA256 63cb134dbef1b7be1b9dc400da8aef1816436a193a2f97db0028cdd70e3e4cf0
+AUX libxml2-2.7.8-disable_static_modules.patch 365 RMD160 aedfb1647c21a27d1d170a17cc6e15f1015c6047 SHA1 23eb1145762d4ec4b05b8118b54e7eef15cdf991 SHA256 2f2ade9ee034af32cbd6600d45b2e23d3153dd9bb57a07a9f364836d24b189df
+AUX libxml2-2.7.8-reactivate-script.patch 628 RMD160 7c0da0a849af6f98e176acd595b8cf8fcc3e41e8 SHA1 90cd59c02e8043a66eb37b06c261a49c08f907cf SHA256 379102cf7547c47fdcc94daecb310e55b80bd157ea5280d72194eedf9ad371de
+AUX libxml2-2.7.8-xpath-freeing.patch 1042 RMD160 ecd781d93ba067cea9448ef02e408c2002ce019c SHA1 87eff7814372ef5dd224c7079106cf1fcb35bf3f SHA256 655a1cd96df3bcbd02e3a7fe9b812ee7e116dea036a9a5bfb529be714f288e87
+AUX libxml2-2.7.8-xpath-freeing2.patch 885 RMD160 d2c0c1e1b55ddc7ba5ccae8d7795b07887937cbd SHA1 fc67cc2c8e7a703f5cf01460dca5f828d42f5ab0 SHA256 112e93fb8c4f76e74b705d709ae741f33228cad82ba3bd2f55524af2fd863bfd
+AUX libxml2-2.7.8-xpath-memory.patch 889 RMD160 bff2a0a59e7d8f82a915d65b084a93902bfdaf99 SHA1 17adc8c2fb6ded205c2eb746ed9506cf696e412e SHA256 919a7dd27fd22cd30d8301d3ca8a8f8a8f971d4494c9914f7f8e6531216be5a1
+DIST libxml2-2.7.7.tar.gz 4868502 RMD160 9f72c778c3e9e348a68eada0cf624c012658c085 SHA1 8592824a2788574a172cbddcdc72f734ff87abe3 SHA256 af5b781418ba4fff556fa43c50086658ea8a2f31909c2b625c2ce913a1d9eb68
+DIST libxml2-2.7.8.tar.gz 4881808 RMD160 30709622cfe3e2175e73d6701b7e19a25ab5ac47 SHA1 859dd535edbb851cc15b64740ee06551a7a17d40 SHA256 cda23bc9ebd26474ca8f3d67e7d1c4a1f1e7106364b690d822e009fdc3c417ec
+DIST xsts-2002-01-16.tar.gz 6894439 RMD160 e8905fe1451a1c367b0104af24edca73bad1db08 SHA1 ca6344e6c47f8c28231f5b213d0c8deb0311a409 SHA256 55e5c08db29946a91ea8e70e8f2418d3fd30d8b6777941dfba7f54726ffd9914
+DIST xsts-2004-01-14.tar.gz 2761085 RMD160 faff2d7826e47ae9968564bc83dab1b54c5e4bf6 SHA1 5896c2aa2cda464246306c5cf0577ed506eefaab SHA256 09bdf9f81f381ebf9bc158a9472e498e896f7a02eb7461146e9abe1b9493ca17
+EBUILD libxml2-2.7.7.ebuild 4785 RMD160 fcf805c5d56e0a56d629c198f969a9e10350ec73 SHA1 50a99e7e34c910047a051e13b01357a59492feaf SHA256 71cc475f1e52df3d5b1c2436078133451c1307ecee3356b895825eb27e2ca801
+EBUILD libxml2-2.7.8.ebuild 6200 RMD160 0f12eaa8761ed413c1b117520af99cf37ccaa494 SHA1 a788a2c0789c667d9240510268bb87eaf9048457 SHA256 13bbb131d0d3f0a1c58b5a77353aa48817e679c7645ea20a1208b4f6b2f3921f
+MISC ChangeLog 41333 RMD160 b8547340c055d3f51b0b8b104c4d3ede29fa262f SHA1 1e398055939d32a16a6daafa96e83fca1967627e SHA256 29a0f68622fc20409c552dd113b67ac3b6a9f5fb43365919a9f49050cc4b57ad
+MISC metadata.xml 158 RMD160 c0e2bae8e91bb6be8922bac5e4f597302e06587e SHA1 38f78e9790bcd4382b4a49aa226aa6dda1d3a3d7 SHA256 3a7dbca0fdc557de69783e0663e2d76ddab129ea8a19b2d0ef6d3e5d1b947ce1