Merge pull request #55 from richardclli/fix-compile-error

Added quotes in library path to fix sketch compile error

Author: bitsk

boards.txt

@@ -48,7 +48,7 @@ m1.upload.tool=kflash
 
 ## Limit is the 16MB Flash. Assume half is used for something else.
 m1.upload.maximum_size=8388608
-m1.build.ldscript={runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld
+m1.build.ldscript="{runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld"
 
 ##################################################
 ############# Sipeed Maix Bit Board ###############
@@ -95,7 +95,7 @@ bit.upload.tool=kflash
 
 ## Limit is the 16MB Flash. Assume half is used for something else.
 bit.upload.maximum_size=8388608
-bit.build.ldscript={runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld
+bit.build.ldscript="{runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld"
 
 
 ##################################################
@@ -140,7 +140,7 @@ bitm.upload.tool=kflash
 
 ## Limit is the 16MB Flash. Assume half is used for something else.
 bitm.upload.maximum_size=8388608
-bitm.build.ldscript={runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld
+bitm.build.ldscript="{runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld"
 
 
 
@@ -191,7 +191,7 @@ go.upload.tool=kflash
 
 ## Limit is the 16MB Flash. Assume half is used for something else.
 go.upload.maximum_size=8388608
-go.build.ldscript={runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld
+go.build.ldscript="{runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld"
 
 ##################################################
 ############# Sipeed Maixduino Board ###############
@@ -236,7 +236,7 @@ mduino.upload.tool=kflash
 
 ## Limit is the 16MB Flash. Assume half is used for something else.
 mduino.upload.maximum_size=8388608
-mduino.build.ldscript={runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld
+mduino.build.ldscript="{runtime.platform.path}/cores/arduino/kendryte-standalone-sdk/lds/kendryte.ld"
 
 ##################################################
 ############# LamLoei AIoT DaaN Board ###############