[evolution-data-server] Correct ENABLE_BACKTRACES configure option handling

[Milan Crha <mcrha src gnome org>]

commit 61b774173ead1935dace60f7155133f1163ac95d
Author: Milan Crha <mcrha redhat com>
Date:   Tue Nov 8 18:28:50 2016 +0100

    Correct ENABLE_BACKTRACES configure option handling

 CMakeLists.txt           |    6 +++---
 src/camel/CMakeLists.txt |    2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06be584..cc23917 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -526,9 +526,9 @@ add_printable_option(ENABLE_BACKTRACES "Enable backtraces for camel_pointer_trac
 
 if(ENABLE_BACKTRACES)
        CHECK_C_SOURCE_COMPILES("#include <execinfo.h>
-                               int main(void) { void *bt[1]; backtrace_symbols (bt, backtrace(bt, 1)); 
return 0; }" _have_bsf)
+                               int main(void) { void *bt[1]; backtrace_symbols (bt, backtrace (bt, 1)); 
return 0; }" HAVE_BACKTRACE_SYMBOLS)
 
-       if(_have_bsf)
+       if(HAVE_BACKTRACE_SYMBOLS)
                set(CMAKE_REQUIRED_LIBRARIES -ldw)
                CHECK_C_SOURCE_COMPILES("#include <elfutils/libdwfl.h>
                                        int main(void) {
@@ -555,7 +555,7 @@ if(ENABLE_BACKTRACES)
                        set(HAVE_ELFUTILS_LIBDWFL ON)
                        set(LIBDWFL_LIBS "-ldw")
                endif(_have_elfdwlf)
-       endif(_have_bsf)
+       endif(HAVE_BACKTRACE_SYMBOLS)
 endif(ENABLE_BACKTRACES)
 
 # ******************************
diff --git a/src/camel/CMakeLists.txt b/src/camel/CMakeLists.txt
index 481f102..a45e2ca 100644
--- a/src/camel/CMakeLists.txt
+++ b/src/camel/CMakeLists.txt
@@ -307,7 +307,7 @@ target_link_libraries(camel
        ${SOCKET_LDFLAGS}
        ${ICONV_LDFLAGS}
        ${REGEX_LDFLAGS}
-       ${LIBDWFL_LDFLAGS}
+       ${LIBDWFL_LIBS}
 )
 
 install(TARGETS camel