fluentbit: Fix packaging in multilib env

Fixes
ERROR: fluentbit-0.12.19-r0 do_package: QA Issue: fluentbit: Files/directories were installed but not shipped in any package:
/usr/lib/libfluent-bit.so
Please set FILES such that these items are packaged. Alternatively if they are unneeded, avoid installing them or delete them within do_install.

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

meta-oe/recipes-extended/fluentbit/fluentbit/cmake_multilib.patch

@@ -0,0 +1,18 @@
+Use CMAKE_INSTALL_LIBDIR instead of hardcoding lib path
+
+Helps build on platforms where libpaths are not lib/ but say lib64/
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -182,7 +182,7 @@ if(NOT FLB_WITHOUT_SHARED_LIB)
+     PROPERTIES OUTPUT_NAME fluent-bit)
+ 
+   # Library install routines
+-  install(TARGETS fluent-bit-shared LIBRARY DESTINATION lib)
++  install(TARGETS fluent-bit-shared LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif()
+ 
+ # Static Library

meta-oe/recipes-extended/fluentbit/fluentbit_0.12.19.bb

@@ -4,6 +4,7 @@ BUGTRACKER = "https://github.com/fluent/fluent-bit/issues"
 
 SRC_URI = "http://fluentbit.io/releases/0.12/fluent-bit-${PV}.tar.gz \
            file://jemalloc.patch \
+           file://cmake_multilib.patch \
            "
 SRC_URI[md5sum] = "7c8708312ac9122faacf9e2a4751eb34"
 SRC_URI[sha256sum] = "23a81087edf0e2c6f2d49411c6a82308afc5224f67bbaa45729c057af62e9241"