boinc-client: Depend on virtual/egl instead of virtual/libgl

virtual/libgl points to GL implementation but some implementations of
graphics drivers may only provide GLES and this makes the package build
on such architectures

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-extended/boinc/boinc-client_7.18.1.bb

@@ -24,7 +24,7 @@ DEPENDS = "curl \
            jpeg \
            openssl \
            sqlite3 \
-           virtual/libgl \
+           virtual/egl \
            ${@bb.utils.contains('DISTRO_FEATURES', 'wayland', 'libnotify', '', d)} \
            ${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'gtk+ libnotify xcb-util libxscrnsaver', '', d)} \
            nettle \