perf build: Add missing -lstdc++ when linking with libopencsd

Add -lstdc++ to perf when linking libopencsd as it is a dependency. It
does not hurt to add it when dynamic linking.

Signed-off-by: Branislav Rankov <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Mark Brown <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Tamas Zsoldos <[email protected]>
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: Branislav Rankov

tools/perf/Makefile.config

@@ -143,7 +143,7 @@ FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
 ifdef CSINCLUDES
   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
 endif
-OPENCSDLIBS := -lopencsd_c_api -lopencsd
+OPENCSDLIBS := -lopencsd_c_api -lopencsd -lstdc++
 ifdef CSLIBS
   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
 endif