Fix syntax error in the bash script regarding LD_LIBRARY_PATH

Author: fairyfar

.github/workflows/coverity.yml

@@ -90,7 +90,7 @@ jobs:
              /usr/local/cloudberry-db/lib
         sudo chown -R gpadmin:gpadmin /usr/local/cloudberry-db
         su - gpadmin -c "cd $WORKSPACE"
-        export LD_LIBRARY_PATH=/usr/local/cloudberry-db/lib:LD_LIBRARY_PATH
+        export LD_LIBRARY_PATH=/usr/local/cloudberry-db/lib:$LD_LIBRARY_PATH
         export PATH=$WORKSPACE/coverity_tool/bin:$PATH
         ./configure --prefix=/usr/local/cloudberry-db \
             --disable-external-fts \

.github/workflows/sonarqube.yml

@@ -94,7 +94,7 @@ jobs:
              /usr/local/xerces-c/lib/libxerces-c-3.3.so \
              /usr/local/cloudberry-db/lib
         sudo chown -R gpadmin:gpadmin /usr/local/cloudberry-db
-        export LD_LIBRARY_PATH=/usr/local/cloudberry-db/lib:LD_LIBRARY_PATH
+        export LD_LIBRARY_PATH=/usr/local/cloudberry-db/lib:$LD_LIBRARY_PATH
         ./configure --prefix=/usr/local/cloudberry-db \
             --disable-external-fts \
             --enable-gpcloud \

devops/build/automation/cloudberry/scripts/build-cloudberry.sh

@@ -71,7 +71,7 @@ init_environment "Cloudberry Build Script" "${BUILD_LOG}"
 
 # Set environment
 log_section "Environment Setup"
-export LD_LIBRARY_PATH=${BUILD_DESTINATION}/lib:LD_LIBRARY_PATH
+export LD_LIBRARY_PATH=${BUILD_DESTINATION}/lib:${LD_LIBRARY_PATH}
 log_section_end "Environment Setup"
 
 # Build process

devops/build/automation/cloudberry/scripts/configure-cloudberry.sh

@@ -131,7 +131,7 @@ log_section_end "Initial Setup"
 
 # Set environment
 log_section "Environment Setup"
-export LD_LIBRARY_PATH=${BUILD_DESTINATION}/lib:LD_LIBRARY_PATH
+export LD_LIBRARY_PATH=${BUILD_DESTINATION}/lib:${LD_LIBRARY_PATH}
 log_section_end "Environment Setup"
 
 # Add debug options if ENABLE_DEBUG is set to "true"

devops/build/automation/cloudberry/scripts/unittest-cloudberry.sh

@@ -56,7 +56,7 @@ init_environment "Cloudberry Unittest Script" "${UNITTEST_LOG}"
 
 # Set environment
 log_section "Environment Setup"
-export LD_LIBRARY_PATH=${BUILD_DESTINATION}/lib:LD_LIBRARY_PATH
+export LD_LIBRARY_PATH=${BUILD_DESTINATION}/lib:${LD_LIBRARY_PATH}
 log_section_end "Environment Setup"
 
 # Unittest process