[gnome-alsamixer] Add missing libm linkage

[Bastien Nocera <hadess src gnome org>]

commit c1fbaa6c96753dba2dc17955bf02f0e8f074e8bd
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jun 26 13:49:50 2012 +0100

    Add missing libm linkage

 src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 5a95eab..93dcc0b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -19,4 +19,4 @@ gnome_alsamixer_SOURCES = \
 	gam-prefs-dlg.c gam-prefs-dlg.h \
 	gam-props-dlg.c gam-props-dlg.h
 
-gnome_alsamixer_LDADD = @PACKAGE_LIBS@
+gnome_alsamixer_LDADD = @PACKAGE_LIBS@ -lm