Description: compile with -g so that the dbg package contains something

Index: widelands-17~rc1/CMakeLists.txt
===================================================================
--- widelands-17~rc1.orig/CMakeLists.txt	2012-04-02 10:34:26.000000000 +0200
+++ widelands-17~rc1/CMakeLists.txt	2012-04-11 14:52:24.000000000 +0200
@@ -221,10 +221,10 @@
     IF (WLBUILD_COMPILERVERSION_REP STREQUAL "4.5.1" OR WLBUILD_COMPILERVERSION_REP STREQUAL "4.5.2")
         message("Detected gcc ${WLBUILD_COMPILERVERSION_REP}")
         message("Suffering from gcc bug, disabling -O3")
-        set (CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "Set by widelands CMakeLists.txt" FORCE)
+        set (CMAKE_CXX_FLAGS_RELEASE "-g -O2 -DNDEBUG" CACHE STRING "Set by widelands CMakeLists.txt" FORCE)
     ELSE (WLBUILD_COMPILERVERSION_REP STREQUAL "4.5.1" OR WLBUILD_COMPILERVERSION_REP STREQUAL "4.5.2")
         #This line is the default and should be preserved.
-        set (CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "Set by widelands CMakeLists.txt" FORCE)
+        set (CMAKE_CXX_FLAGS_RELEASE "-g -O3 -DNDEBUG" CACHE STRING "Set by widelands CMakeLists.txt" FORCE)
     ENDIF (WLBUILD_COMPILERVERSION_REP STREQUAL "4.5.1" OR WLBUILD_COMPILERVERSION_REP STREQUAL "4.5.2")
 ENDIF (${CMAKE_COMPILER_IS_GNUCXX})
 
