Add missing '\' in library.pro

DRAMSys/library/library.pro

@@ -126,6 +126,7 @@ SOURCES += \
 
 HEADERS += \
     src/common/third_party/tinyxml2/tinyxml2.h \
+    src/common/third_party/json/include/nlohmann/json.hpp \
     src/common/xmlAddressdecoder.h \
     src/common/Utils.h \
     src/common/TlmRecorder.h \
@@ -193,12 +194,11 @@ HEADERS += \
     src/error/eccbaseclass.h \
     src/error/ecchamming.h \
     src/controller/scheduler/Fr_Fcfs_read_priority.h \
-    src/controller/scheduler/Fr_Fcfs_grouper.h
+    src/controller/scheduler/Fr_Fcfs_grouper.h \
     src/simulation/IArbiter.h \
     src/simulation/SimpleArbiter.h \
     src/common/AddressDecoder.h \
-    src/common/jsonAddressDecoder.h \
-    src/common/third_party/json/include/nlohmann/json.hpp
+    src/common/jsonAddressDecoder.h
 
 thermalsim = $$(THERMALSIM)
 isEmpty(thermalsim) {