Fix Makefile

Installed the shared object in the proper directory

Makefile

@@ -6,7 +6,7 @@ DOCS         = $(wildcard doc/*.*)
 TESTS        = $(wildcard test/sql/*.sql)
 REGRESS      = $(patsubst test/sql/%.sql,%,$(TESTS))
 REGRESS_OPTS = --inputdir=test
-MODULE_big   = $(patsubst %.c,%,$(wildcard src/*.c))
+MODULE_big   = $(patsubst src/%.c,%,$(wildcard src/*.c))
 OBJS         = src/pg_amqp.o \
 	src/librabbitmq/amqp_api.o src/librabbitmq/amqp_connection.o src/librabbitmq/amqp_debug.o \
 	src/librabbitmq/amqp_framing.o src/librabbitmq/amqp_mem.o src/librabbitmq/amqp_socket.o \