CMake: Fix configuration file format bug

CMakeLists.txt

@@ -84,7 +84,7 @@ elseif("${gRPC_ZLIB_PROVIDER}" STREQUAL "package")
   if(TARGET ZLIB::ZLIB)
     set(_gRPC_ZLIB_LIBRARIES ZLIB::ZLIB)
   endif()
-  set(_gRPC_FIND_ZLIB "if(NOT ZLIB_FOUND) find_package(ZLIB) endif()")
+  set(_gRPC_FIND_ZLIB "if(NOT ZLIB_FOUND)\n  find_package(ZLIB)\nendif()")
 endif()
 
 if("${gRPC_PROTOBUF_PROVIDER}" STREQUAL "module")
@@ -117,10 +117,10 @@ elseif("${gRPC_PROTOBUF_PROVIDER}" STREQUAL "package")
     if(TARGET protobuf::libprotoc)
       set(_gRPC_PROTOBUF_PROTOC_LIBRARIES protobuf::libprotoc)
     endif()
-    set(_gRPC_FIND_PROTOBUF "if(NOT protobuf_FOUND) find_package(protobuf CONFIG) endif()")
+    set(_gRPC_FIND_PROTOBUF "if(NOT protobuf_FOUND)\n  find_package(protobuf CONFIG)\nendif()")
   else()
     find_package(Protobuf MODULE)
-    set(_gRPC_FIND_PROTOBUF "if(NOT Protobuf_FOUND) find_package(Protobuf) endif()")
+    set(_gRPC_FIND_PROTOBUF "if(NOT Protobuf_FOUND)\n  find_package(Protobuf)\nendif()")
   endif()
 endif()
 
@@ -141,7 +141,7 @@ elseif("${gRPC_SSL_PROVIDER}" STREQUAL "package")
   if(TARGET OpenSSL::SSL)
     set(_gRPC_SSL_LIBRARIES OpenSSL::SSL)
   endif()
-  set(_gRPC_FIND_SSL "if(NOT OpenSSL_FOUND) find_package(OpenSSL) endif()")
+  set(_gRPC_FIND_SSL "if(NOT OpenSSL_FOUND)\n  find_package(OpenSSL)\nendif()")
 endif()
 
 if(NOT MSVC)

templates/CMakeLists.txt.template

@@ -102,7 +102,7 @@
     if(TARGET ZLIB::ZLIB)
       set(_gRPC_ZLIB_LIBRARIES ZLIB::ZLIB)
     endif()
-    set(_gRPC_FIND_ZLIB "if(NOT ZLIB_FOUND) find_package(ZLIB) endif()")
+    set(_gRPC_FIND_ZLIB "if(NOT ZLIB_FOUND)\n  find_package(ZLIB)\nendif()")
   endif()
 
   if("<%text>${gRPC_PROTOBUF_PROVIDER}</%text>" STREQUAL "module")
@@ -135,10 +135,10 @@
       if(TARGET protobuf::libprotoc)
         set(_gRPC_PROTOBUF_PROTOC_LIBRARIES protobuf::libprotoc)
       endif()
-      set(_gRPC_FIND_PROTOBUF "if(NOT protobuf_FOUND) find_package(protobuf CONFIG) endif()")
+      set(_gRPC_FIND_PROTOBUF "if(NOT protobuf_FOUND)\n  find_package(protobuf CONFIG)\nendif()")
     else()
       find_package(Protobuf MODULE)
-      set(_gRPC_FIND_PROTOBUF "if(NOT Protobuf_FOUND) find_package(Protobuf) endif()")
+      set(_gRPC_FIND_PROTOBUF "if(NOT Protobuf_FOUND)\n  find_package(Protobuf)\nendif()")
     endif()
   endif()
 
@@ -159,7 +159,7 @@
     if(TARGET OpenSSL::SSL)
       set(_gRPC_SSL_LIBRARIES OpenSSL::SSL)
     endif()
-    set(_gRPC_FIND_SSL "if(NOT OpenSSL_FOUND) find_package(OpenSSL) endif()")
+    set(_gRPC_FIND_SSL "if(NOT OpenSSL_FOUND)\n  find_package(OpenSSL)\nendif()")
   endif()
 
   if(NOT MSVC)