stats plugin: Link with libm (-lm).

Fixes a bug reported by @Tenzer:

    symbol lookup error: /usr/lib/collectd/statsd.so: undefined symbol: log

diff --git a/src/Makefile.am b/src/Makefile.am
index c80f4bf7d09a55da65a259618733ac581e1414e6..62f98751f05e8efb7ffba40aece71e72732cddf0 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1095,7 +1095,7 @@ pkglib_LTLIBRARIES += statsd.la
 statsd_la_SOURCES = statsd.c \
                     utils_latency.h utils_latency.c
 statsd_la_LDFLAGS = -module -avoid-version
-statsd_la_LIBADD = -lpthread
+statsd_la_LIBADD = -lpthread -lm
 collectd_LDADD += "-dlopen" statsd.la
 collectd_DEPENDENCIES += statsd.la
 endif