[FABCN-394] Update typescript interface file (#128) (#129)

Updated both typescript definition files to match the case
and the existance of the implementation function.

Signed-off-by: Matthew B White <whitemat@uk.ibm.com>

Author: mbwhite

apis/fabric-shim-api/types/index.d.ts

@@ -54,7 +54,7 @@ declare module 'fabric-shim-api' {
         getTxID(): string;
         getChannelID(): string;
         getCreator(): SerializedIdentity;
-        getMspID(): string;
+        getMSPID(): string;
         getTransient(): Map<string, Uint8Array>;
 
         getSignedProposal(): ChaincodeProposal.SignedProposal;

libraries/fabric-shim/types/index.d.ts

@@ -76,6 +76,7 @@ declare module 'fabric-shim' {
         getTxID(): string;
         getChannelID(): string;
         getCreator(): SerializedIdentity;
+        getMSPID(): string;
         getTransient(): Map<string, Uint8Array>;
 
         getSignedProposal(): ChaincodeProposal.SignedProposal;