fix a travis bug

.travis.yml

@@ -18,7 +18,7 @@ addons:
     branch_pattern: coverity_scan
 before_install:
    - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
-   - sudo add-apt-repository ppa:ppa:kalakris/cmake -y
+   - sudo add-apt-repository ppa:kalakris/cmake -y
    - sudo apt-get update -qq
    - sudo apt-get install -qq gcc-4.8
    - sudo apt-get install -qq --no-install-recommends build-essential cmake python-lxml graphviz doxygen wget

CMakeLists.txt

@@ -43,7 +43,7 @@ add_definitions(-std=c99 -pedantic -pipe -fvisibility=hidden -fPIC -Wall -Wextra
                 -Wno-unused-parameter -Wno-unused-function -Wno-unused-label -Wpointer-arith -Wreturn-type -Wsign-compare -Wmultichar
                 -Winit-self -Wuninitialized -Wno-deprecated -Wformat-security -ffunction-sections -fdata-sections)
     if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
-        add_definitions(-flto -Wformat-nonliteral -Wl,--gc-sections)
+        add_definitions(-Wformat-nonliteral -Wl,--gc-sections)
     endif()
 	if(NOT WIN32)
 	    add_definitions(-fstack-protector)