File libopensync-plugin-evolution2-fix_build.diff of Package libopensync-plugin-evolution2

--- src/Makefile.am
+++ src/Makefile.am
@@ -5,7 +5,7 @@
 INCLUDES = @PACKAGE_CFLAGS@ @EPACKAGE_CFLAGS@
 
 # Please remove '-Wno-return-type' when Evo fixes the warning in their headers.
-AM_CFLAGS = -Wall -Werror -Wno-return-type
+AM_CFLAGS = -Wall -Wno-return-type
 
 config_DATA = evo2-sync