workaround for build system related bug caused by gnuradio master

They really should not name the header config.h:

http://gnuradio.org/cgit/gnuradio.git/commit/?id=9297c84dfdae3002677f759ef2b38a877d2edc2c

lib/CMakeLists.txt

@@ -131,7 +131,7 @@ ADD_DEFINITIONS(-DHAVE_CONFIG_H=1)
 include_directories(APPEND ${CMAKE_CURRENT_BINARY_DIR})
 CONFIGURE_FILE(
     ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
-    ${CMAKE_CURRENT_BINARY_DIR}/config.h
+    ${CMAKE_CURRENT_BINARY_DIR}/gr_osmosdr_config.h
 @ONLY)
 
 ########################################################################

lib/osmosdr_source_c_impl.cc

@@ -24,7 +24,8 @@
  * file included in your .cc file.
  */
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+// FIXME: make it config.h again when they've fixed gnuradio master
+#include "gr_osmosdr_config.h"
 #endif
 
 #include <osmosdr_source_c_impl.h>
@@ -113,9 +114,9 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
   dev_types.push_back("miri");
 #endif
 
-  std::cerr << "gr-osmosdr ("
-            << GR_OSMOSDR_VERSION << " / " << GR_OSMOSDR_LIBVER
-            << ") supported device types:" << std::endl;
+  std::cerr << "gr-osmosdr "
+            << "(" << GR_OSMOSDR_VERSION << " / " << GR_OSMOSDR_LIBVER << ") "
+            << "supported device types:" << std::endl;
   std::cerr << "    " << std::flush;
   BOOST_FOREACH(std::string dev_type, dev_types)
     std::cerr << dev_type << " ";