Resolves underlinking issue causing build failure on uclibc.

Author: René Rhéaume <rene.rheaume@gmail.com>
Gentoo-bug: 587076

--- a/sqliteman/CMakeLists.txt
+++ b/sqliteman/CMakeLists.txt
@@ -183,7 +183,10 @@ IF (WIN32)
     # don't use console subsystem
     IF (MINGW)
         TARGET_LINK_LIBRARIES(${EXE_NAME} "-mwindows")
-	ENDIF (MINGW)
+    ENDIF (MINGW)
+ELSE (WIN32)
+	FIND_PACKAGE(Threads)
+	TARGET_LINK_LIBRARIES(${EXE_NAME} ${CMAKE_THREAD_LIBS_INIT})
 ENDIF (WIN32)